CERTFR-2026-AVI-1010

Vulnerability from certfr_avis - Published: 2026-08-12 - Updated: 2026-08-12

Une vulnérabilité a été découverte dans les produits Cisco. Elle permet à un attaquant de provoquer un déni de service à distance.

Cisco indique que la vulnérabilité CVE-2026-20349 est activement exploitée.

Solutions

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

Impacted products
Vendor Product Description
Cisco Adaptive Security Appliance Adaptative Security Appliance versions 9.23.x antérieures à 9.23.1.211
Cisco Adaptive Security Appliance Adaptative Security Appliance versions 9.24.x antérieures à 9.24.1.221
Cisco N/A Secure FTD sans le dernier correctif de sécurité
Cisco Adaptive Security Appliance Adaptative Security Appliance versions 9.18.x sans le correctif 89.18.4.50
Cisco Adaptive Security Appliance Adaptative Security Appliance versions 9.16.x sans le correctif 89.16.4.50
Cisco Adaptive Security Appliance Adaptative Security Appliance versions 9.20.x antérieures à 9.20.4.235
Cisco Adaptive Security Appliance Adaptative Security Appliance versions 9.22.x antérieures à 9.22.3.191
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Adaptative Security Appliance versions 9.23.x ant\u00e9rieures \u00e0 9.23.1.211",
      "product": {
        "name": "Adaptive Security Appliance",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Adaptative Security Appliance versions 9.24.x ant\u00e9rieures \u00e0 9.24.1.221",
      "product": {
        "name": "Adaptive Security Appliance",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Secure FTD sans le dernier correctif de s\u00e9curit\u00e9",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Adaptative Security Appliance versions 9.18.x sans le correctif 89.18.4.50",
      "product": {
        "name": "Adaptive Security Appliance",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Adaptative Security Appliance versions 9.16.x sans le correctif 89.16.4.50",
      "product": {
        "name": "Adaptive Security Appliance",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Adaptative Security Appliance versions 9.20.x ant\u00e9rieures \u00e0 9.20.4.235",
      "product": {
        "name": "Adaptive Security Appliance",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Adaptative Security Appliance versions 9.22.x ant\u00e9rieures \u00e0 9.22.3.191",
      "product": {
        "name": "Adaptive Security Appliance",
        "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-2026-20349",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20349"
    }
  ],
  "initial_release_date": "2026-08-12T00:00:00",
  "last_revision_date": "2026-08-12T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-1010",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-08-12T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans les produits Cisco. Elle permet \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.\n\nCisco indique que la vuln\u00e9rabilit\u00e9 CVE-2026-20349 est activement exploit\u00e9e.",
  "title": "Vuln\u00e9rabilit\u00e9 dans les produits Cisco",
  "vendor_advisories": [
    {
      "published_at": "2026-08-11",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-asaftd-vpn-dos-dzv4mQFF",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-dzv4mQFF"
    }
  ]
}



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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

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.


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