Fiche vulnérabilité
CVE-2021-31893 : faille élevée siemens simatic pcs firmware (CVSS 7.8)
Description
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.
En bref
- Sévérité
- Élevée (CVSS 7.8)
- Vecteur CVSS
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 13 juil. 2021
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- siemens simatic pcs firmware
- siemens simatic pdm firmware
- siemens simatic step 7 firmware
- siemens sinamics starter firmware