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Unrated severityNVD Advisory· Published Feb 9, 2022· Updated Aug 4, 2024

CVE-2021-40363

CVE-2021-40363

Description

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component stores the credentials of a local system account in a potentially publicly accessible project file using an outdated cipher algorithm.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.

Affected products

10
  • Siemens Foundation/Winccllm-fuzzy5 versions
    V15 and earlier (< V15 SP1 Update 7), V16 (< V16 Update 5), V17 (< V17 Update 2 and <= V17 Update 4), V7.4 (< V7.4 SP1 Update 19), V7.5 (< V7.5 SP2 Update 6)+ 4 more
    • (no CPE)range: V15 and earlier (< V15 SP1 Update 7), V16 (< V16 Update 5), V17 (< V17 Update 2 and <= V17 Update 4), V7.4 (< V7.4 SP1 Update 19), V7.5 (< V7.5 SP2 Update 6)
    • (no CPE)range: All versions < V16 Update 5
    • (no CPE)range: All versions <= V17 Update 4
    • (no CPE)range: All versions < V7.4 SP1 Update 19
    • (no CPE)range: All versions < V7.5 SP2 Update 6
  • Siemens Foundation/Simatic Pcs7llm-fuzzy4 versions
    V8.2 (All), V9.0 (All), V9.1 (< V9.1 SP1)+ 3 more
    • (no CPE)range: V8.2 (All), V9.0 (All), V9.1 (< V9.1 SP1)
    • (no CPE)range: All versions
    • (no CPE)range: All versions
    • (no CPE)range: All versions < V9.1 SP1
  • Siemens/SIMATIC WinCC V15 and earlierv5
    Range: All versions < V15 SP1 Update 7

Patches

Vulnerability mechanics

References

1

News mentions

0

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