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…

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 V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The password hash of a local user account in the remote server could be granted via public API to a user on the affected system. An authenticated attacker could brute force the password hash and use it to login to the server.

Scores

EPSS (exploitation in 30 days)

0.68% · top 47% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

• CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (opens in a new tab)All about CWE-200 and its CVEs
• CWE-522 (opens in a new tab)All about CWE-522 and its CVEs

Affected products

• Siemens · SIMATIC PCS 7 V8.2

  • affected All versions

• Siemens · SIMATIC PCS 7 V9.0

  • affected All versions

• Siemens · SIMATIC PCS 7 V9.1

  • affected All versions < V9.1 SP1

• Siemens · SIMATIC WinCC V15 and earlier

  • affected All versions < V15 SP1 Update 7

• Siemens · SIMATIC WinCC V16

  • affected All versions < V16 Update 5

• Siemens · SIMATIC WinCC V17

  • affected All versions < V17 Update 2

• Siemens · SIMATIC WinCC V7.4

  • affected All versions < V7.4 SP1 Update 19

• Siemens · SIMATIC WinCC V7.5

  • affected All versions < V7.5 SP2 Update 6

References (1)

• https://cert-portal.siemens.com/productcert/pdf/ssa-914168.pdf (opens in a new tab)x_refsource_MISCx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2021-40360](https://trackcve.app/badge/CVE-2021-40360.svg)](https://trackcve.app/cve/CVE-2021-40360)

Record last updated 4 Aug 2024, 02:44 UTC.