7.8
CVSSv3

CVE-2021-31893

Published: 13/07/2021 Updated: 06/08/2021
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 641
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

A vulnerability has been identified in SIMATIC PCS 7 V8.2 and previous versions (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 malicious user to trigger a denial-of-service condition or potentially lead to remote code execution.

Vulnerability Trend

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siemens simatic pcs firmware

siemens simatic pcs firmware 9.0

siemens simatic pdm firmware

siemens simatic step 7 firmware

siemens sinamics starter firmware

siemens sinamics starter firmware 5.4