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CVE record · CVE-2021-25669

Stack-based buffer overflow in Siemens SCALANCE X200-4P IRT and others

No CVSS scoreEPSS 0.021 · 82nd percentile

Published by the CVE Program (CNA: siemens) at 22 Apr 2021, 20:42 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Siemens SCALANCE X200-4P IRT
  • affected All versions < 5.5.1
Siemens SCALANCE X201-3P IRT
  • affected All versions < 5.5.1
Siemens SCALANCE X201-3P IRT PRO
  • affected All versions < 5.5.1
Siemens SCALANCE X202-2 IRT
  • affected All versions < 5.5.1
Siemens SCALANCE X202-2P IRT (incl. SIPLUS NET variant)
  • affected All versions < 5.5.1
Siemens SCALANCE X202-2P IRT PRO
  • affected All versions < 5.5.1
Siemens SCALANCE X204 IRT
  • affected All versions < 5.5.1
Siemens SCALANCE X204 IRT PRO
  • affected All versions < 5.5.1
Siemens SCALANCE X204-2 (incl. SIPLUS NET variant)
  • affected All versions < V5.2.5
Siemens SCALANCE X204-2FM
  • affected All versions < V5.2.5
Siemens SCALANCE X204-2LD (incl. SIPLUS NET variant)
  • affected All versions < V5.2.5
Siemens SCALANCE X204-2LD TS
  • affected All versions < V5.2.5
Siemens SCALANCE X204-2TS
  • affected All versions < V5.2.5
Siemens SCALANCE X206-1
  • affected All versions < V5.2.5
Siemens SCALANCE X206-1LD
  • affected All versions < V5.2.5
Siemens SCALANCE X208 (incl. SIPLUS NET variant)
  • affected All versions < V5.2.5
Siemens SCALANCE X208PRO
  • affected All versions < V5.2.5
Siemens SCALANCE X212-2 (incl. SIPLUS NET variant)
  • affected All versions < V5.2.5
Siemens SCALANCE X212-2LD
  • affected All versions < V5.2.5
Siemens SCALANCE X216
  • affected All versions < V5.2.5
Siemens SCALANCE X224
  • affected All versions < V5.2.5
Siemens SCALANCE XF201-3P IRT
  • affected All versions < 5.5.1
Siemens SCALANCE XF202-2P IRT
  • affected All versions < 5.5.1
Siemens SCALANCE XF204
  • affected All versions < V5.2.5
Siemens SCALANCE XF204 IRT
  • affected All versions < 5.5.1
Siemens SCALANCE XF204-2 (incl. SIPLUS NET variant)
  • affected All versions < V5.2.5
Siemens SCALANCE XF204-2BA IRT
  • affected All versions < 5.5.1
Siemens SCALANCE XF206-1
  • affected All versions < V5.2.5
Siemens SCALANCE XF208
  • affected All versions < V5.2.5
Identifiers
CVE-2021-25669
CNA
siemens
Weakness (CWE)
CWE-121
Tags
Published
22 Apr 2021
Updated
3 Aug 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.021, the 82nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 Apr 2021. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.