Vulnerability Details CVE-2021-25667
                A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3 and < V6.4), SCALANCE M-800 (All versions >= V4.3 and < V6.4), SCALANCE S615 (All versions >= V4.3 and < V6.4), SCALANCE SC-600 Family (All versions >= V2.0 and < V2.1.3), SCALANCE XB-200 (All versions < V4.1), SCALANCE XC-200 (All versions < V4.1), SCALANCE XF-200BA (All versions < V4.1), SCALANCE XM400 (All versions < V6.2), SCALANCE XP-200 (All versions < V4.1), SCALANCE XR-300WG (All versions < V4.1), SCALANCE XR500 (All versions < V6.2). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.004
                        
                    
                    
                        
                            EPSS Ranking 62.9%
                        
                    
                 
                
                    CVSS Severity
                    
                        
                            CVSS v3 Score 8.8
                        
                    
                    
                        
                            CVSS v2 Score 5.8
                        
                    
                 
                
                
                
                    
                
                
                    
                        Products affected by CVE-2021-25667
                        
                            
                                
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                                            cpe:2.3:h:siemens:ruggedcom_rm1224:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_m-800:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_s615:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_sc622-2c:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_sc632-2c:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_sc636-2c:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_sc642-2c:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_sc646-2c:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_x300wg:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_xb-200:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_xc-200:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_xf-200ba:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_xm400:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_xp-200:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:h:siemens:scalance_xr500:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:4.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:4.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:5.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:6.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:6.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_m-800_firmware:4.03
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_m-800_firmware:4.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_m-800_firmware:4.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_m-800_firmware:5.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_m-800_firmware:6.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_m-800_firmware:6.1.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_m-800_firmware:6.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_m-800_firmware:6.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_s615_firmware:4.03
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_s615_firmware:4.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_s615_firmware:4.6
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_s615_firmware:5.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_s615_firmware:6.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_s615_firmware:6.1.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_s615_firmware:6.2
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_s615_firmware:6.3
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc622-2c_firmware:*
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc622-2c_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc632-2c_firmware:*
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc632-2c_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc636-2c_firmware:*
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc636-2c_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc642-2c_firmware:*
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc642-2c_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc646-2c_firmware:*
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_sc646-2c_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_x300wg_firmware:*
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xb-200_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xb-200_firmware:3.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xc-200_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xc-200_firmware:3.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xf-200ba_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xf-200ba_firmware:3.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xm400_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xm400_firmware:6.1
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xp-200_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xp-200_firmware:3.0
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xr500_firmware:-
                                        
                                     
                                 
                            
                                
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                                            cpe:2.3:o:siemens:scalance_xr500_firmware:6.1