CVE-2021-31893

Name of the Vulnerable Software and Affected Versions: SIMATIC PCS 7 versions 8.2 and earlier SIMATIC PCS 7 V9.0 versions prior to V9.0 SP3 SIMATIC PDM versions prior to V9.2 SIMATIC STEP 7 V5.X versions prior to V5.6 SP2 HF3 SINAMICS STARTER (containing STEP 7 OEM version) versions prior to V5.4 HF2

Description: The affected software contains a buffer overflow vulnerability while handling certain files. This could allow a local attacker to trigger a denial-of-service condition or potentially lead to remote code execution.

Recommendations: For SIMATIC PCS 7 versions 8.2 and earlier, update to a version later than V8.2. For SIMATIC PCS 7 V9.0 versions prior to V9.0 SP3, update to V9.0 SP3 or later. For SIMATIC PDM versions prior to V9.2, update to V9.2 or later. For SIMATIC STEP 7 V5.X versions prior to V5.6 SP2 HF3, update to V5.6 SP2 HF3 or later. For SINAMICS STARTER (containing STEP 7 OEM version) versions prior to V5.4 HF2, update to V5.4 HF2 or later.