CERTFR-2026-AVI-1110
Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans les produits Cisco. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, 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 IP Phone SIP Software versions antérieures à 5.0(1) pour Desk Phone 9800 Series et Video Phone 8875
Cisco IOS XR IOS XR Software Train versions 24.2.x antérieures à 24.2.2 et 24.2.21 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 24.4.x antérieures à 24.4.2 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 24.3.x antérieures à 24.3.2 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 7.11.x antérieures à 7.11.2 et 7.11.21 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 24.1.x antérieures à 24.1.2 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 26.3.x antérieures à 26.3.1
Cisco IOS XR IOS XR Software Train versions 26.1.x antérieures à 26.1.2 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 25.2.x antérieures à 25.2.21 et 25.2.2 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 25.1.x antérieures à 25.1.2 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 7.10.x antérieures à 7.10.2 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 7.9.x antérieures à 7.9.2 et 7.9.21 et sans le dernier correctif de sécurité
Cisco IOS XR IOS XR Software Train versions 6.9.x antérieures à 6.9.2 et sans le dernier correctif de sécurité
Cisco IP Phone SIP Software versions 14.4.x et antérieures à 14.4(1)SR3 pour IP Phone 7800 and 8800 Series
Cisco IOS XR IOS XR Software Train versions 25.4.x antérieures à 25.4.1 et 25.4.2 et sans le dernier correctif de sécurité
Cisco IP Phone SIP Software versions 11.0.x et antérieures à 11.0(6)SR8 pour Wireless IP Phone 8821
Cisco IOS XR IOS XR Software Train versions 26.2.x antérieures à 26.2.1 et 26.2.2 et sans le dernier correctif de sécurité
Cisco IP Phone SIP Software versions 14.4.x et antérieures à 14.4(1)SR4 pour IP Phone 8845 and 8865
Cisco IOS XR IOS XR Software Train versions 7.3.x antérieures à 7.3.2 et sans le dernier correctif de sécurité
Cisco N/A Cisco Nexus 9000 Series Switches avec Silicon One ASIC sans le dernier correctif de sécurité
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "SIP Software versions ant\u00e9rieures \u00e0 5.0(1) pour Desk Phone 9800 Series et Video Phone 8875",
      "product": {
        "name": "IP Phone",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 24.2.x ant\u00e9rieures \u00e0 24.2.2 et 24.2.21 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 24.4.x ant\u00e9rieures \u00e0 24.4.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 24.3.x ant\u00e9rieures \u00e0 24.3.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 7.11.x ant\u00e9rieures \u00e0 7.11.2 et 7.11.21 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 24.1.x ant\u00e9rieures \u00e0 24.1.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 26.3.x ant\u00e9rieures \u00e0 26.3.1",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 26.1.x ant\u00e9rieures \u00e0 26.1.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 25.2.x ant\u00e9rieures \u00e0 25.2.21 et 25.2.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 25.1.x ant\u00e9rieures \u00e0 25.1.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 7.10.x ant\u00e9rieures \u00e0 7.10.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 7.9.x ant\u00e9rieures \u00e0 7.9.2 et 7.9.21 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 6.9.x ant\u00e9rieures \u00e0 6.9.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "SIP Software versions 14.4.x et ant\u00e9rieures \u00e0 14.4(1)SR3 pour IP Phone 7800 and 8800 Series",
      "product": {
        "name": "IP Phone",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 25.4.x ant\u00e9rieures \u00e0 25.4.1 et 25.4.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "SIP Software versions 11.0.x et ant\u00e9rieures \u00e0 11.0(6)SR8 pour Wireless IP Phone 8821",
      "product": {
        "name": "IP Phone",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 26.2.x ant\u00e9rieures \u00e0 26.2.1 et 26.2.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "SIP Software versions 14.4.x et ant\u00e9rieures \u00e0 14.4(1)SR4 pour IP Phone 8845 and 8865",
      "product": {
        "name": "IP Phone",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR Software Train versions 7.3.x ant\u00e9rieures \u00e0 7.3.2 et sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco Nexus 9000 Series Switches avec Silicon One ASIC sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "N/A",
        "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-2026-20212",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20212"
    },
    {
      "name": "CVE-2026-20274",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20274"
    },
    {
      "name": "CVE-2026-20276",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20276"
    },
    {
      "name": "CVE-2026-20275",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20275"
    },
    {
      "name": "CVE-2026-20279",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20279"
    },
    {
      "name": "CVE-2026-20281",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20281"
    },
    {
      "name": "CVE-2026-20277",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20277"
    },
    {
      "name": "CVE-2026-20278",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20278"
    },
    {
      "name": "CVE-2026-20280",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20280"
    }
  ],
  "initial_release_date": "2026-09-03T00:00:00",
  "last_revision_date": "2026-09-03T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-1110",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-09-03T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Cisco. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0 distance et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Cisco",
  "vendor_advisories": [
    {
      "published_at": "2026-09-02",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-n9k-s1-rce-EH8dEtr",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n9k-s1-rce-EH8dEtr"
    },
    {
      "published_at": "2026-09-02",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-phone-dos-txMYNRzv",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-txMYNRzv"
    },
    {
      "published_at": "2026-09-02",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-hardening-iosxr-qg64NcM",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxr-qg64NcM"
    }
  ]
}


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