CVE-2014-4686

medium
Published 2014-07-24 · Modified 2026-05-06
CVSS v3
CVSS v2
6.8
VIR risk
6.8

Description

The Project administration application in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products, has a hardcoded encryption key, which allows remote attackers to obtain sensitive information by extracting this key from another product installation and then employing this key during the sniffing of network traffic on TCP port 1030.

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-214365.pdf

Application impact

VendorProductVersionsFixed
siemens siemenssimatic_pcs7{"endIncluding":"8.0"}
siemens siemenssimatic_pcs77.1
siemens siemenssimatic_pcs78.0
siemens siemenswincc{"endIncluding":"7.2"}
siemens siemenswincc5.0
siemens siemenswincc6.0
siemens siemenswincc7.0
siemens siemenswincc7.1

References

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