CVE-2014-8551

critical
Published 2014-11-26 · Modified 2026-05-06
CVSS v3
CVSS v2
10.0
VIR risk
10.0

Description

The WinCC server in Siemens SIMATIC WinCC 7.0 through SP3, 7.2 before Update 9, and 7.3 before Update 2; SIMATIC PCS 7 7.1 through SP4, 8.0 through SP2, and 8.1; and TIA Portal 13 before Update 6 allows remote attackers to execute arbitrary code via crafted packets.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-134508.pdf

Application impact

VendorProductVersionsFixed
siemenssimatic_pcs_77.1
siemenssimatic_pcs77.1
siemenssimatic_pcs78.0
siemenssimatic_pcs78.1
siemenssimatic_tiaportal13.0
siemenssimatic_wincc7.0
siemenssimatic_wincc7.2
siemenssimatic_wincc7.3

References

CWEs

CWE-94

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