CVE-2021-31893CWE-120

CVE-2021-31893: vulnerability in Siemens SIMATIC PCS 7 V8.2 and earlier

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.6%
A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). The affected software contains a buffer overflow vulnerability while handling certain files that could allow a local attacker to trigger a denial-of-service condition or potentially lead to remote code execution.
Affected products
Siemens · SIMATIC PCS 7 V8.2 and earlierSiemens · SIMATIC PCS 7 V9.0Siemens · SIMATIC PDMSiemens · SIMATIC STEP 7 V5.XSiemens · SINAMICS STARTER (containing STEP 7 OEM version)
Related CVEs — Siemens SIMATIC PCS 7 V8.2 and earlier

In the same product, most dangerous first.

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