CVE-2013-3958

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-06-14 · updated 2026-06-16
Weakness: CWE-255

Description

The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, has a hardcoded account, which makes it easier for remote attackers to obtain access via an unspecified request.

Affected products

Siemens Simatic Pcs7: through 8.0; 8.0
Siemens SIMATIC WinCC: through 7.2; 7.0, 7.0-sp1, 7.0-sp2, 7.0-sp3, 7.1, 7.1-sp1

References

http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345843.pdf
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345843.pdf

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