CERTFR-2026-AVI-0975

Vulnerability from certfr_avis - Published: 2026-08-06 - Updated: 2026-08-06

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 une atteinte à la confidentialité des données.

Solutions

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

Impacted products
Vendor Product Description
Cisco NFVIS NFVIS versions 26.1.x antérieures à 26.1.2
Cisco UCS UCS Server versions 4.3.x antérieures à 4.3 (6.260033 et 6.260054 pour C-Series M7 et M8 Rack Server)
Cisco UCS UCS Server versions 4.3.x antérieures à 4.3 (6.260054 pour C-Series M6 Rack Server)
Cisco IOS XE IOS XE versions 26.1.x antérieures à 26.1.2
Cisco UCS UCS Server versions 4.3 antérieures à 4.3 (2.260020)
Cisco IOS XE IOS XE versions 17.9.x antérieures à 17.9.10
Cisco IOS XE IOS XE versions 17.15.x antérieures à 17.15.6
Cisco UCS UCSE versions antérieures à 3.2.18.1
Cisco Catalyst SD-WAN Catalyst SD-WAN versions 20.16.x à 20.18.x antérieures à 20.18.4
Cisco Catalyst SD-WAN Catalyst SD-WAN versions 20.10.x à 20.12.x antérieures à 20.12.8.1
Cisco NFVIS NFVIS versions 4.13.x à 4.15.x et antérieures à 4.15.6
Cisco UCS UCS Server versions 6.0 antérieures à 6.0 (2.260044 et 2.260143 pour C-Series M7 et M8 Rack Server)
Cisco UCS UCSE versions antérieures à 4.15.4
Cisco NFVIS NFVIS versions 4.16.x à 4.18.x antérieures à 4.18.5 (disponible en septembre 2026)
Cisco IOS XE IOS XE versions 17.18 antérieures à 17.18.4 ou 17.18.4a
Cisco UCS UCS Server versions 4.3.x antérieures à 4.3 (2.260020 pour C-Series M5 Rack Server)
Cisco NFVIS NFVIS versions antérieures à 4.12.8
Cisco IOS XE IOS XE versions 17.12.x antérieures à 17.12.8
Cisco Catalyst SD-WAN Catalyst SD-WAN versions antérieures à 20.9.10
Cisco UCS UCS Server versions antérieures à 4.2 (3r)
Cisco Catalyst SD-WAN Catalyst SD-WAN versions 20.13.x à 20.15.x antérieures à 20.15.6
Cisco UCS UCS Server versions 6.0 antérieures à 6.0 (2.260143 pour C-Series M6 Rack Server)
Cisco Catalyst SD-WAN Catalyst SD-WAN versions 26.1.x antérieures à 26.1.2
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "NFVIS versions 26.1.x ant\u00e9rieures \u00e0 26.1.2",
      "product": {
        "name": "NFVIS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server versions 4.3.x ant\u00e9rieures \u00e0 4.3 (6.260033 et 6.260054 pour C-Series M7 et M8 Rack Server)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server versions 4.3.x ant\u00e9rieures \u00e0 4.3 (6.260054 pour C-Series M6 Rack Server)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XE versions 26.1.x ant\u00e9rieures \u00e0 26.1.2",
      "product": {
        "name": "IOS XE",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server versions 4.3 ant\u00e9rieures \u00e0 4.3 (2.260020)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XE versions 17.9.x ant\u00e9rieures \u00e0 17.9.10",
      "product": {
        "name": "IOS XE",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XE versions 17.15.x ant\u00e9rieures \u00e0 17.15.6",
      "product": {
        "name": "IOS XE",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCSE versions ant\u00e9rieures \u00e0 3.2.18.1",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions 20.16.x \u00e0 20.18.x ant\u00e9rieures \u00e0 20.18.4",
      "product": {
        "name": "Catalyst SD-WAN",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions 20.10.x \u00e0 20.12.x ant\u00e9rieures \u00e0 20.12.8.1",
      "product": {
        "name": "Catalyst SD-WAN",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "NFVIS versions 4.13.x \u00e0 4.15.x et ant\u00e9rieures \u00e0 4.15.6",
      "product": {
        "name": "NFVIS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server versions 6.0 ant\u00e9rieures \u00e0 6.0 (2.260044 et 2.260143 pour C-Series M7 et M8 Rack Server)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCSE versions ant\u00e9rieures \u00e0 4.15.4",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "NFVIS versions 4.16.x \u00e0 4.18.x ant\u00e9rieures \u00e0 4.18.5 (disponible en septembre 2026)",
      "product": {
        "name": "NFVIS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XE versions 17.18 ant\u00e9rieures \u00e0 17.18.4 ou 17.18.4a",
      "product": {
        "name": "IOS XE",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server versions 4.3.x ant\u00e9rieures \u00e0 4.3 (2.260020 pour C-Series M5 Rack Server)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "NFVIS versions ant\u00e9rieures \u00e0 4.12.8",
      "product": {
        "name": "NFVIS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XE versions 17.12.x ant\u00e9rieures \u00e0 17.12.8",
      "product": {
        "name": "IOS XE",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions ant\u00e9rieures \u00e0 20.9.10",
      "product": {
        "name": "Catalyst SD-WAN",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server versions ant\u00e9rieures \u00e0 4.2 (3r)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions 20.13.x \u00e0 20.15.x ant\u00e9rieures \u00e0 20.15.6",
      "product": {
        "name": "Catalyst SD-WAN",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server versions 6.0 ant\u00e9rieures \u00e0 6.0 (2.260143 pour C-Series M6 Rack Server)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions 26.1.x ant\u00e9rieures \u00e0 26.1.2",
      "product": {
        "name": "Catalyst SD-WAN",
        "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-2026-20303",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20303"
    },
    {
      "name": "CVE-2026-20270",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20270"
    },
    {
      "name": "CVE-2026-20312",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20312"
    },
    {
      "name": "CVE-2026-20267",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20267"
    },
    {
      "name": "CVE-2026-20200",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20200"
    },
    {
      "name": "CVE-2026-20271",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20271"
    },
    {
      "name": "CVE-2026-20269",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20269"
    },
    {
      "name": "CVE-2026-20288",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20288"
    },
    {
      "name": "CVE-2026-20313",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20313"
    },
    {
      "name": "CVE-2026-20304",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20304"
    },
    {
      "name": "CVE-2026-20273",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20273"
    },
    {
      "name": "CVE-2026-20263",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20263"
    },
    {
      "name": "CVE-2026-20301",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20301"
    },
    {
      "name": "CVE-2026-20124",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20124"
    },
    {
      "name": "CVE-2026-20272",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20272"
    },
    {
      "name": "CVE-2026-20268",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20268"
    },
    {
      "name": "CVE-2026-20310",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20310"
    }
  ],
  "initial_release_date": "2026-08-06T00:00:00",
  "last_revision_date": "2026-08-06T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0975",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-08-06T00:00:00.000000"
    }
  ],
  "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"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "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 une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Cisco",
  "vendor_advisories": [
    {
      "published_at": "2026-08-05",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-iosxe-bing-MGHrFAkd",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-bing-MGHrFAkd"
    },
    {
      "published_at": "2026-08-05",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-cimc-arg-inject-upSHdMfU",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU"
    },
    {
      "published_at": "2026-08-05",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-iosxe-snmp-dos-ZAqNm4MD",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-snmp-dos-ZAqNm4MD"
    },
    {
      "published_at": "2026-08-05",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-hardening-iosxe-V8NMuMZJ",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxe-V8NMuMZJ"
    },
    {
      "published_at": "2026-08-05",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-ios-xmcp-thbAr34t",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xmcp-thbAr34t"
    },
    {
      "published_at": "2026-08-05",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-hardening-sdwan-faLcR3K",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-sdwan-faLcR3K"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.