Fiche vulnérabilité
CVE-2021-25668 : faille critique siemens scalance x200-4p irt firmware (CVSS 9.8)
Description
A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT PRO (All versions < 5.5.1), SCALANCE X202-2 IRT (All versions < 5.5.1), SCALANCE X202-2P IRT (incl. SIPLUS NET variant) (All versions < 5.5.1), SCALANCE X202-2P IRT PRO (All versions < 5.5.1), SCALANCE X204 IRT (All versions < 5.5.1), SCALANCE X204 IRT PRO (All versions < 5.5.1), SCALANCE X204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X204-2FM (All versions < V5.2.5), SCALANCE X204-2LD (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X204-2LD TS (All versions < V5.2.5), SCALANCE X204-2TS (All versions < V5.2.5), SCALANCE X206-1 (All versions < V5.2.5), SCALANCE X206-1LD (All versions < V5.2.5), SCALANCE X208 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X208PRO (All versions < V5.2.5), SCALANCE X212-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X212-2LD (All versions < V5.2.5), SCALANCE X216 (All versions < V5.2.5), SCALANCE X224 (All versions < V5.2.5), SCALANCE XF201-3P IRT (All versions < 5.5.1), SCALANCE XF202-2P IRT (All versions < 5.5.1), SCALANCE XF204 (All versions < V5.2.5), SCALANCE XF204 IRT (All versions < 5.5.1), SCALANCE XF204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE XF204-2BA IRT (All versions < 5.5.1), SCALANCE XF206-1 (All versions < V5.2.5), SCALANCE XF208 (All versions < V5.2.5). Incorrect processing of POST requests in the webserver may result in write out of bounds in heap. An attacker might leverage this to cause denial-of-service on the device and potentially remotely execute code.
En bref
- Sévérité
- Critique (CVSS 9.8)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 22 avr. 2021
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- siemens scalance x200-4p irt firmware
- siemens scalance x201-3p irt firmware
- siemens scalance x201-3p irt pro firmware
- siemens scalance x202-2 irt firmware
- siemens scalance x202-2p irt pro firmware
- siemens scalance x204 irt firmware
- siemens scalance x204 irt pro firmware
- siemens scalance x204-2 firmware
- siemens scalance x204-2fm firmware
- siemens scalance x204-2ld firmware
- siemens scalance x204-2ld ts firmware
- siemens scalance x204-2ts firmware
- siemens scalance x206-1 firmware
- siemens scalance x206-1ld firmware
- siemens scalance x208 firmware
- siemens scalance x208pro firmware
- siemens scalance x212-2 firmware
- siemens scalance x212-2ld firmware
- siemens scalance x216 firmware
- siemens scalance x224 firmware