CVE-2013-4651
Siemens Scalance W7xx devices with firmware before 4.5.4 use the same hardcoded X.509 certificate...
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.
Exploit likelihood
What each source reports
NVD Score used
6.6
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.
- Record
CVE-2013-4651- CVSS 2.0
- 6.6 Medium
AV:N/AC:H/Au:N/C:P/I:P/A:C - Weakness
- CWE-255
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-4651- Updated
- 2026-11-02
EUVDEUVD-2013-4506 No score
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.
- Record
EUVD-2013-4506- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fg5w-4qj3-jgj3 No score
Siemens Scalance W7xx devices with firmware before 4.5.4 use the same hardcoded X.509 certificate...
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.
- Record
GHSA-fg5w-4qj3-jgj3- Updated
- 2026-11-02
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
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-4651 is a medium vulnerability (CVSS 6.6) in Siemens Scalance W700 Series Firmware, published July 31, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. No source names a fixed version.