CVE-2011-20001

CVSS 8.7 HIGHEPSS 0.4%CWE-20

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

14 out 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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

Produtos afetados

Siemens · SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants)Siemens · SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants)

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Referências

https://cert-portal.siemens.com/productcert/html/ssa-625789.html