CERTFR-2026-AVI-0756

Vulnerability from certfr_avis - Published: 2026-06-16 - Updated: 2026-06-16

Une vulnérabilité a été découverte dans Cisco Catalyst. Elle permet à un attaquant de provoquer une atteinte à l'intégrité des données.

Cisco indique que la vulnérabilité CVE-2026-20262 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 Catalyst SD-WAN Catalyst SD-WAN versions 20.18.3 antérieures à 20.18.3.1
Cisco Catalyst SD-WAN Catalyst SD-WAN versions antérieures à 20.9.9.2
Cisco Catalyst SD-WAN Catalyst SD-WAN versions 20.15.5 antérieures à 20.15.5.3
Cisco Catalyst SD-WAN Catalyst SD-WAN versions 20.15.4 antérieures à 20.15.4.5
Cisco Catalyst SD-WAN Catalyst SD-WAN versions 20.12.7. antérieures à 20.12.7.2
Cisco Catalyst SD-WAN Catalyst SD-WAN versions 26.1.1 antérieures à 26.1.1.2
References

Show details on source website
To clipboard 

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Catalyst SD-WAN versions 20.18.3 ant\u00e9rieures \u00e0 20.18.3.1",
      "product": {
        "name": "Catalyst SD-WAN",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions ant\u00e9rieures \u00e0 20.9.9.2",
      "product": {
        "name": "Catalyst SD-WAN",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions 20.15.5 ant\u00e9rieures \u00e0 20.15.5.3",
      "product": {
        "name": "Catalyst SD-WAN",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions 20.15.4 ant\u00e9rieures \u00e0 20.15.4.5",
      "product": {
        "name": "Catalyst SD-WAN",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions 20.12.7. ant\u00e9rieures \u00e0 20.12.7.2",
      "product": {
        "name": "Catalyst SD-WAN",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst SD-WAN versions 26.1.1 ant\u00e9rieures \u00e0 26.1.1.2",
      "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-2026-20262",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20262"
    }
  ],
  "initial_release_date": "2026-06-16T00:00:00",
  "last_revision_date": "2026-06-16T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0756",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-06-16T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Cisco Catalyst. Elle permet \u00e0 un attaquant de provoquer une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.\n\nCisco indique que la vuln\u00e9rabilit\u00e9 CVE-2026-20262 est activement exploit\u00e9e.",
  "title": "Vuln\u00e9rabilit\u00e9 dans Cisco Catalyst",
  "vendor_advisories": [
    {
      "published_at": "2026-06-15",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-sdwan-arbfw-c2rZvQ",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfw-c2rZvQ"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.