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Fencer Intel
critical 10.0

CVE-2013-5944 json

The integrated web server on Siemens SCALANCE X-200 switches with firmware before 4.5.0 and X-200IRT switches with firmware before 5.1.0 do…

published 13y ago modified 4mo ago also EUVD-2013-5776

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

The integrated web server on Siemens SCALANCE X-200 switches with firmware before 4.5.0 and X-200IRT switches with firmware before 5.1.0 does not properly enforce authentication requirements, which allows remote attackers to perform administrative actions via requests to the management interface.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-13-274-01 updated cvss 10.0

Siemens SCALANCE X-200 Authentication Bypass Vulnerability

  • Siemens SCALANCE X-200 MLFBs 6GK5224-0BA00-2AA3, 6GK5216-0BA00-2AA3, 6GK5212-2BB00-2AA3, 6GK5212-2BC00-2AA3, 6GK5208-0BA10-2AA3, Siemens SCALANCE X-200 switch family firmware <V4.5.0 Siemens SCALANCE X-200IRT Isochronous Real-Time switch family firmware <V5.1.0 Siemens SCALANCE X-200IRT MLFBs 6GK5201-3JR00-2BA6, 6GK5204-0BA00-2BF2, 6GK5204-0JA00-2BA6, 6GK5202-2JR00-2BA6, 6GK5202-2BH00-2BA3,
    affected: mitigation “Siemens recommends upgrading to the current SCALANCE X-200 firmware versions V5.0.1 (non-IRT) and V5.1.2 (IRT). These versions are not vulnerable to the authentication bypass issue.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

3.20% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.