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CVE-2013-5709

HIGH · CVSS 8.3EPSS 3.0%EU EUVD

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.

Key facts

CVSS score
8.3 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:C
Weakness (CWE)
CWE-189
EPSS score
3.0% (87th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2013-5546)
Published
September 17, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-5546 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • siemens / scalance x-200
  • siemens / scalance x-200 series firmware
  • siemens / scalance x-200 series firmware
  • siemens / scalance x-200rna
  • siemens / scalance x200-4p irt
  • siemens / scalance x201-3p irt
  • siemens / scalance x201-3p irt
  • siemens / scalance x202-2irt
  • siemens / scalance x202-2p irt
  • siemens / scalance x202-2p irt
  • siemens / scalance x204irt
  • siemens / scalance x204irt
  • siemens / scalance xf-200

References

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

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