How severe is CVE-2013-4651?

CVE-2013-4651 has a CVSS 2.0 base score of 6.6, rated medium severity.

Is CVE-2013-4651 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4651?

CVE-2013-4651 primarily affects Siemens Scalance W700 Series Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4651?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4651 published?

CVE-2013-4651 was published on 2013-08-01 and last updated on 2026-06-16.

CVE-2013-4651

CVE-2013-4651 is a medium-severity vulnerability in Siemens Scalance W700 Series Firmware with a CVSS 2.0 base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-255.

Key facts

Severity: Medium (CVSS 2.0 base score 6.6)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Siemens Scalance W700 Series Firmware
Published: 2013-08-01
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2013-4651?: 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.
How severe is CVE-2013-4651?: CVE-2013-4651 has a CVSS 2.0 base score of 6.6, rated medium severity.
Is CVE-2013-4651 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4651?: CVE-2013-4651 primarily affects Siemens Scalance W700 Series Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4651?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4651 published?: CVE-2013-4651 was published on 2013-08-01 and last updated on 2026-06-16.

References

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

Affected products (17)

cpe:2.3:o:siemens:scalance_w700_series_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w744-1:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w744-1pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w746-1:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w746-1pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w747-1:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w747-1rr:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w784-1:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w784-1rr:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w786-1pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w786-2pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w786-2rr:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w786-3pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w788-1pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w788-1rr:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w788-2pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_w788-2rr:-:*:*:*:*:*:*:*

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