CVE-2013-5709
The authentication implementation in the web server on Siemens SCALANCE X-200 switches with...
The authentication implementation in the web server on Siemens SCALANCE X-200 switches with firmware before 5.0.0 does not use a sufficient source of entropy for generating values of random numbers, which makes it easier for remote attackers to hijack sessions by predicting a value.
Exploit likelihood
What each source reports
NVD Score used
The authentication implementation in the web server on Siemens SCALANCE X-200 switches with firmware before 5.0.0 does not use a sufficient source of entropy for generating values of random numbers, which makes it easier for remote attackers to hijack sessions by predicting a value.
- Record
CVE-2013-5709- CVSS 2.0
- 8.3 High
AV:N/AC:M/Au:N/C:P/I:P/A:C - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
The authentication implementation in the web server on Siemens SCALANCE X-200 switches with firmware before 5.0.0 does not use a sufficient source of entropy for generating values of random numbers, which makes it easier for remote attackers to hijack sessions by predicting a value.
- Record
CVE-2013-5709- Updated
- 2026-11-02
EUVDEUVD-2013-5546 No score
The authentication implementation in the web server on Siemens SCALANCE X-200 switches with firmware before 5.0.0 does not use a sufficient source of entropy for generating values of random numbers, which makes it easier for remote attackers to hijack sessions by predicting a value.
- Record
EUVD-2013-5546- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7qw8-4g2g-2m86 No score
The authentication implementation in the web server on Siemens SCALANCE X-200 switches with...
The authentication implementation in the web server on Siemens SCALANCE X-200 switches with firmware before 5.0.0 does not use a sufficient source of entropy for generating values of random numbers, which makes it easier for remote attackers to hijack sessions by predicting a value.
- Record
GHSA-7qw8-4g2g-2m86- Updated
- 2026-11-02
Affected products
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-2013-5709 is a high vulnerability (CVSS 8.3) in Siemens Scalance X-200, published September 17, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.99%, the 87th percentile. No source names a fixed version.