CVE-2011-20001
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2011
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants)
- Vendor
- Siemens
- Product
- SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants)
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0 | affected | custom | V2.0.3 | Unavailable | None listed |
SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants)
- Vendor
- Siemens
- Product
- SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants)
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0 | affected | custom | V2.0.3 | Unavailable | None listed |