CVE-2011-20001highCWE-20

CVE-2011-20001: high-severity vulnerability in Siemens SIMATIC S7-1200 CPU V1 family (incl.

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 0.5%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
Siemens · SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants)Siemens · SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants)
Related CVEs — Siemens SIMATIC S7-1200 CPU V1 family (incl.

In the same product, most dangerous first.

CVE-2011-20002HIGHCVE-2011-20002EPSS 0.3%