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Vulnerability Details CVE-2021-40871

An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a OPC/UA client. The client process may crash unexpectedly because of a wrong type cast, and must be restarted.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 69.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2021-40871
  • Softing » Datafeed Opc Suite » Version: N/A
    cpe:2.3:a:softing:datafeed_opc_suite:-
  • Softing » Datafeed Opc Suite » Version: 5.17
    cpe:2.3:a:softing:datafeed_opc_suite:5.17
  • Softing » Opc » Version: N/A
    cpe:2.3:a:softing:opc:-
  • Softing » Opc » Version: 4.20.00
    cpe:2.3:a:softing:opc:4.20.00
  • Softing » Opc » Version: 4.20.01
    cpe:2.3:a:softing:opc:4.20.01
  • Softing » Opc » Version: 4.20.02
    cpe:2.3:a:softing:opc:4.20.02
  • Softing » Opc » Version: 4.20.03
    cpe:2.3:a:softing:opc:4.20.03
  • Softing » Opc » Version: 4.20.04
    cpe:2.3:a:softing:opc:4.20.04
  • Softing » Opc » Version: 4.22.00
    cpe:2.3:a:softing:opc:4.22.00
  • Softing » Opc » Version: 4.22.01
    cpe:2.3:a:softing:opc:4.22.01
  • Softing » Opc » Version: 4.22.03
    cpe:2.3:a:softing:opc:4.22.03
  • Softing » Opc » Version: 4.22.05
    cpe:2.3:a:softing:opc:4.22.05
  • Softing » Opc » Version: 4.30.0
    cpe:2.3:a:softing:opc:4.30.0
  • Softing » Opc » Version: 4.30.1
    cpe:2.3:a:softing:opc:4.30.1
  • Softing » Opc » Version: 4.31.0
    cpe:2.3:a:softing:opc:4.31.0
  • Softing » Opc » Version: 4.31.1
    cpe:2.3:a:softing:opc:4.31.1
  • Softing » Opc » Version: 4.40.0
    cpe:2.3:a:softing:opc:4.40.0
  • Softing » Opc » Version: 4.40.1
    cpe:2.3:a:softing:opc:4.40.1
  • Softing » Opc » Version: 4.40.2
    cpe:2.3:a:softing:opc:4.40.2
  • Softing » Opc » Version: 4.40.3
    cpe:2.3:a:softing:opc:4.40.3
  • Softing » Opc » Version: 4.41.0
    cpe:2.3:a:softing:opc:4.41.0
  • Softing » Opc » Version: 4.41.1
    cpe:2.3:a:softing:opc:4.41.1
  • Softing » Opc » Version: 4.41.2
    cpe:2.3:a:softing:opc:4.41.2
  • Softing » Opc » Version: 4.45.0
    cpe:2.3:a:softing:opc:4.45.0
  • Softing » Opc » Version: 4.46.0
    cpe:2.3:a:softing:opc:4.46.0
  • Softing » Opc » Version: 4.47.0
    cpe:2.3:a:softing:opc:4.47.0
  • Softing » Opc » Version: 4.47.1
    cpe:2.3:a:softing:opc:4.47.1
  • Softing » Opc » Version: 5.2
    cpe:2.3:a:softing:opc:5.2
  • Softing » Opc » Version: 5.30
    cpe:2.3:a:softing:opc:5.30
  • Softing » Opc » Version: 5.65
    cpe:2.3:a:softing:opc:5.65
  • Softing » Secure Integration Server » Version: N/A
    cpe:2.3:a:softing:secure_integration_server:-
  • Softing » Secure Integration Server » Version: 1.22
    cpe:2.3:a:softing:secure_integration_server:1.22
  • Softing » Th Scope » Version: 3.5
    cpe:2.3:a:softing:th_scope:3.5


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