CVE-2013-2780

high
Published 2013-04-22 · Modified 2026-04-29
CVSS v3
CVSS v2
7.8
VIR risk
7.8

Description

Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) via crafted packets to UDP port 161 (aka the SNMP port).

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: ics-cert@hq.dhs.gov — https://cert-portal.siemens.com/productcert/pdf/ssa-724606.pdf

vendor Authored 2026-05-27

Vendor advisory: ics-cert@hq.dhs.gov — http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-724606.pdf

References

Verify integrity in audit chain (admin only). AS-IS.