Is CVE-2013-4651 being actively exploited?

CVE-2013-4651 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4651?

CVE-2013-4651 has a CVSS 2.0 base score of 6.6 (MEDIUM).

CVE-2013-4651

MEDIUM · CVSS 6.6EPSS 1.0%EU EUVD

Siemens Scalance W7xx devices with firmware before 4.5.4 use the same hardcoded X.509 certificate across different customers' installations, which makes it easier for remote attackers to conduct man-in-the-middle attacks against SSL sessions by leveraging the certificate's trust relationship.

Key facts

CVSS score: 6.6 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:H/Au:N/C:P/I:P/A:C
Weakness (CWE): CWE-255
EPSS score: 1.0% (61th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4506)
Published: August 1, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4506 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

siemens / scalance w700 series firmware
siemens / scalance w744-1
siemens / scalance w744-1pro
siemens / scalance w746-1
siemens / scalance w746-1pro
siemens / scalance w747-1
siemens / scalance w747-1rr
siemens / scalance w784-1
siemens / scalance w784-1rr
siemens / scalance w786-1pro
siemens / scalance w786-2pro
siemens / scalance w786-2rr
siemens / scalance w786-3pro
siemens / scalance w788-1pro
siemens / scalance w788-1rr
siemens / scalance w788-2pro
siemens / scalance w788-2rr

References

http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-120908.pdf(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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