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CVE-2021-40358

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), SIMATIC PCS 7 V

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), 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 5). Legitimate file operations on the web server of the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read, write or delete unexpected critical files.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Siemens SIMATIC PCS 7 V8.2

    All versions

  • Siemens SIMATIC PCS 7 V9.0

    All versions < V9.0 SP3 UC04

  • Siemens SIMATIC PCS 7 V9.1

    All versions < V9.1 SP1

  • Siemens SIMATIC WinCC V15 and earlier

    All versions < V15 SP1 Update 7

  • Siemens SIMATIC WinCC V16

    All versions < V16 Update 5

  • Siemens SIMATIC WinCC V17

    All versions < V17 Update 2

  • Siemens SIMATIC WinCC V7.4

    All versions < V7.4 SP1 Update 19

  • Siemens SIMATIC WinCC V7.5

    All versions < V7.5 SP2 Update 5

References 1

cert-portal.siemens.com