CVE-2013-5709

highpriority · track · 34EPSS 0.030 · 87 %ileEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.99% (87th) EPSS
CVSS 8.3 · high
Is it mine?
29 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationSCALANCE X-200 switch Machine-Readable Product Designation (MLFB)cisa_csaf_ot

    Siemens has produced a new version of SCALANCE X-200 firmware, V5.0.0. This new version fixes the Web hijack vulnerability. Users may obtain a copy of V5.0.0 at the following location on the Siemens Web site: (http://support.automation.siemens.com/WW/view/de/78458674)

    http://support.automation.siemens.com/WW/view/de/78458674
  • MitigationSCALANCE X-200 switch family firmwarecisa_csaf_ot

    Siemens has produced a new version of SCALANCE X-200 firmware, V5.0.0. This new version fixes the Web hijack vulnerability. Users may obtain a copy of V5.0.0 at the following location on the Siemens Web site: (http://support.automation.siemens.com/WW/view/de/78458674)

    http://support.automation.siemens.com/WW/view/de/78458674
02

cvss

Technical severity, 0–10. One row per scoring source.

8.3
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.08.3highAV:N/AC:M/Au:N/C:P/I:P/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 8.5
v2.08.3highAV:N/AC:M/Au:N/C:P/I:P/A:Csecondary · CISA US
v2.07.1highAV:N/AC:M/Au:N/C:P/I:P/A:C/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (29)

Products and version ranges known to be affected.

showing 20 of 29
05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-13-254-01Siemens SCALANCE X-200 Web Hijack Vulnerability2013-06-14icsa · cisa_csaf_otUS

    This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2013-09-17modified 2026-06-16
09

references (10)

External citations — patches, advisories, analysis.

scry

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