Vulnerability Details CVE-2021-40363
A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V17 (All versions <= V17 Update 4), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The affected component stores the credentials of a local system account in a potentially publicly accessible project file using an outdated cipher algorithm. An attacker may use this to brute force the credentials and take over the system.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 5.5%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 2.1
References
Products affected by CVE-2021-40363
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cpe:2.3:a:siemens:simatic_pcs_7:-
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cpe:2.3:a:siemens:simatic_pcs_7:6.0
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cpe:2.3:a:siemens:simatic_pcs_7:6.1
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cpe:2.3:a:siemens:simatic_pcs_7:7.0
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cpe:2.3:a:siemens:simatic_pcs_7:7.1
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cpe:2.3:a:siemens:simatic_pcs_7:8.0
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cpe:2.3:a:siemens:simatic_pcs_7:8.1
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cpe:2.3:a:siemens:simatic_pcs_7:8.2
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cpe:2.3:a:siemens:simatic_pcs_7:9.0
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cpe:2.3:a:siemens:simatic_pcs_7:9.1
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cpe:2.3:a:siemens:simatic_wincc:-
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cpe:2.3:a:siemens:simatic_wincc:13
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cpe:2.3:a:siemens:simatic_wincc:14.0.1
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cpe:2.3:a:siemens:simatic_wincc:15
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cpe:2.3:a:siemens:simatic_wincc:15.1
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cpe:2.3:a:siemens:simatic_wincc:16
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cpe:2.3:a:siemens:simatic_wincc:17
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cpe:2.3:a:siemens:simatic_wincc:6.2
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cpe:2.3:a:siemens:simatic_wincc:7.0
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cpe:2.3:a:siemens:simatic_wincc:7.1
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cpe:2.3:a:siemens:simatic_wincc:7.2
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cpe:2.3:a:siemens:simatic_wincc:7.3
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cpe:2.3:a:siemens:simatic_wincc:7.4
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cpe:2.3:a:siemens:simatic_wincc:7.5