CVE-2011-20001
A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions < V2.0.3), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions < V2.0.3). The web server interface of affected devices improperly processes incoming malformed HTTP traffic at high rate. This could allow an unauthenticated remote attacker to force the device entering the stop/defect state, thus creating a denial of service condition.
- Score
- CVSS 4.0 8.7 High
- Status
- Deferred - productcert@siemens.com
- Published
- 2025-10-14
- Last modified
- 2025-10-14
- Weaknesses
- CWE-20
Affected products
- Simatic S7-1200 Cpu V1 Family Incl. Siplus Variants (Siemens)
- Simatic S7-1200 Cpu V2 Family Incl. Siplus Variants (Siemens)
References
- https://cert-portal.siemens.com/productcert/html/ssa-625789.html