CVE-2026-20267

Cisco IOS XE Software Security Hardening Release

En bref

Sévérité
CRITICAL 9.0
EPSS
EPSS 0.38 % · centile 32 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
cisco
Statut NVD
Modified

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20267 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284. 

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1CRITICAL 9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hcisco
CVSS 3.1CRITICAL 9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HNVD · psirt@cisco.com (Secondary)

Faiblesses (CWE)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Cisco · Cisco IOS XE Softwareaffected 17.2.1a ; affected 16.12.1y ; affected 16.12.3s ; affected 16.7.1b ; affected 16.6.2 ; affected 16.6.5

Références

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD