high7.8
CVE-2021-31893
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 <…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Simatic Pcs Firmware | through 8.2 Version 9.0 |
| Siemens | Simatic Pdm Firmware | before 9.2 |
| Siemens | Simatic Step 7 Firmware | through 5.6 |
| Siemens | Sinamics Starter Firmware | before 5.4 Version 5.4 |