CERTFR-2026-AVI-0361

Vulnerability from certfr_avis - Published: 2026-03-26 - Updated: 2026-03-26

De multiples vulnérabilités ont été découvertes dans Cisco IOS et IOS XE. Elles permettent à un attaquant de provoquer un déni de service à distance et un contournement de la politique de sécurité.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
Cisco IOS XE IOS XE, se référer au bulletin de sécurité de l'éditeur pour les versions vulnérables (cf. section Documentation)
Cisco IOS IOS, se référer au bulletin de sécurité de l'éditeur pour les versions vulnérables (cf. section Documentation)
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "IOS XE, se r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour les versions vuln\u00e9rables (cf. section Documentation)",
      "product": {
        "name": "IOS XE",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS, se r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour les versions vuln\u00e9rables (cf. section Documentation)",
      "product": {
        "name": "IOS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-20104",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20104"
    },
    {
      "name": "CVE-2026-20084",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20084"
    },
    {
      "name": "CVE-2026-20004",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20004"
    },
    {
      "name": "CVE-2026-20086",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20086"
    },
    {
      "name": "CVE-2026-20125",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20125"
    },
    {
      "name": "CVE-2026-20012",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20012"
    }
  ],
  "initial_release_date": "2026-03-26T00:00:00",
  "last_revision_date": "2026-03-26T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0361",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-03-26T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Cisco IOS et IOS XE. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Cisco IOS et IOS XE",
  "vendor_advisories": [
    {
      "published_at": "2026-03-25",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-asa-ftd-ios-dos-kPEpQGGK",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-ios-dos-kPEpQGGK"
    },
    {
      "published_at": "2026-03-25",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-xe-secureboot-bypass-B6uYxYSZ",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xe-secureboot-bypass-B6uYxYSZ"
    },
    {
      "published_at": "2026-03-25",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-bootp-WuBhNBxA",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-bootp-WuBhNBxA"
    },
    {
      "published_at": "2026-03-25",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-wlc-dos-hnX5KGOm",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-dos-hnX5KGOm"
    },
    {
      "published_at": "2026-03-25",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-iosxe-tls-dos-TVgLDEZL",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-tls-dos-TVgLDEZL"
    },
    {
      "published_at": "2026-03-25",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-ios-http-dos-sbv8XRpL",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-http-dos-sbv8XRpL"
    }
  ]
}


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