WID-SEC-W-2026-3410

Vulnerability from csaf_certbund - Published: 2026-09-15 22:00 - Updated: 2026-09-15 22:00
Summary
Arista EOS: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Arista Extensible Operating System (EOS) ist ein modulares Linux basiertes Netzwerkbetriebssystem.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Arista EOS ausnutzen, um sensible Schlüssel, Passwörter oder TACACS+-Secrets offenzulegen, Sicherheits- und Zugriffskontrollen zu beeinträchtigen, Netzwerk- oder Authentifizierungsdienste zu stören, Benutzerkonten mit erhöhten Berechtigungen auszustatten und im schwerwiegendsten Fall beliebigen Code mit Root-Rechten auf dem betroffenen Switch auszuführen.
Betroffene Betriebssysteme: - Sonstiges
CVE-2026-19641
Affected products
Product Identifier Version Remediation
Arista EOS <4.34.8M
Arista / EOS
 <4.34.8M
Arista EOS <4.33.10M
Arista / EOS
 <4.33.10M
Arista EOS <4.36.2F
Arista / EOS
 <4.36.2F
Arista EOS <4.35.6M
Arista / EOS
 <4.35.6M
CVE-2026-73451
Affected products
Known affected 4 products, the same list as for CVE-2026-19641
CVE-2026-73454
Affected products
Known affected 4 products, the same list as for CVE-2026-19641
CVE-2026-73458
Affected products
Known affected 4 products, the same list as for CVE-2026-19641
CVE-2026-73464
Affected products
Known affected 4 products, the same list as for CVE-2026-19641
CVE-2026-73465
Affected products
Known affected 4 products, the same list as for CVE-2026-19641
CVE-2026-73466
Affected products
Known affected 4 products, the same list as for CVE-2026-19641
CVE-2026-73467
Affected products
Known affected 4 products, the same list as for CVE-2026-19641
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Arista Extensible Operating System (EOS) ist ein modulares Linux basiertes Netzwerkbetriebssystem.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Arista EOS ausnutzen, um sensible Schl\u00fcssel, Passw\u00f6rter oder TACACS+-Secrets offenzulegen, Sicherheits- und Zugriffskontrollen zu beeintr\u00e4chtigen, Netzwerk- oder Authentifizierungsdienste zu st\u00f6ren, Benutzerkonten mit erh\u00f6hten Berechtigungen auszustatten und im schwerwiegendsten Fall beliebigen Code mit Root-Rechten auf dem betroffenen Switch auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-3410 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3410.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-3410 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3410"
      },
      {
        "category": "external",
        "summary": "Arista Security Advisory vom 2026-09-15",
        "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24709-security-advisory-0153"
      },
      {
        "category": "external",
        "summary": "Arista Security Advisory vom 2026-09-15",
        "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24707-security-advisory-0151"
      },
      {
        "category": "external",
        "summary": "Arista Security Advisory vom 2026-09-15",
        "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24708-security-advisory-0152"
      },
      {
        "category": "external",
        "summary": "Arista Security Advisory vom 2026-09-15",
        "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24710-security-advisory-0154"
      },
      {
        "category": "external",
        "summary": "Arista Security Advisory vom 2026-09-15",
        "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24710-security-advisory-0154"
      },
      {
        "category": "external",
        "summary": "Arista Security Advisory vom 2026-09-15",
        "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24721-security-advisory-0165"
      },
      {
        "category": "external",
        "summary": "Arista Security Advisory vom 2026-09-15",
        "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24722-security-advisory-0166"
      }
    ],
    "source_lang": "en-US",
    "title": "Arista EOS: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-09-15T22:00:00.000+00:00",
      "generator": {
        "date": "2026-09-16T11:36:32.921+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-3410",
      "initial_release_date": "2026-09-15T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-09-15T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c4.35.6M",
                "product": {
                  "name": "Arista EOS \u003c4.35.6M",
                  "product_id": "T059359"
                }
              },
              {
                "category": "product_version",
                "name": "4.35.6M",
                "product": {
                  "name": "Arista EOS 4.35.6M",
                  "product_id": "T059359-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:arista:arista_eos:4.35.6m"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c4.34.8M",
                "product": {
                  "name": "Arista EOS \u003c4.34.8M",
                  "product_id": "T059360"
                }
              },
              {
                "category": "product_version",
                "name": "4.34.8M",
                "product": {
                  "name": "Arista EOS 4.34.8M",
                  "product_id": "T059360-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:arista:arista_eos:4.34.8m"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c4.36.2F",
                "product": {
                  "name": "Arista EOS \u003c4.36.2F",
                  "product_id": "T059361"
                }
              },
              {
                "category": "product_version",
                "name": "4.36.2F",
                "product": {
                  "name": "Arista EOS 4.36.2F",
                  "product_id": "T059361-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:arista:arista_eos:4.36.2f"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c4.33.10M",
                "product": {
                  "name": "Arista EOS \u003c4.33.10M",
                  "product_id": "T059362"
                }
              },
              {
                "category": "product_version",
                "name": "4.33.10M",
                "product": {
                  "name": "Arista EOS 4.33.10M",
                  "product_id": "T059362-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:arista:arista_eos:4.33.10m"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "EOS"
          }
        ],
        "category": "vendor",
        "name": "Arista"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-19641",
      "product_status": {
        "known_affected": [
          "T059360",
          "T059362",
          "T059361",
          "T059359"
        ]
      },
      "release_date": "2026-09-15T22:00:00.000+00:00",
      "title": "CVE-2026-19641"
    },
    {
      "cve": "CVE-2026-73451",
      "product_status": {
        "known_affected": [
          "T059360",
          "T059362",
          "T059361",
          "T059359"
        ]
      },
      "release_date": "2026-09-15T22:00:00.000+00:00",
      "title": "CVE-2026-73451"
    },
    {
      "cve": "CVE-2026-73454",
      "product_status": {
        "known_affected": [
          "T059360",
          "T059362",
          "T059361",
          "T059359"
        ]
      },
      "release_date": "2026-09-15T22:00:00.000+00:00",
      "title": "CVE-2026-73454"
    },
    {
      "cve": "CVE-2026-73458",
      "product_status": {
        "known_affected": [
          "T059360",
          "T059362",
          "T059361",
          "T059359"
        ]
      },
      "release_date": "2026-09-15T22:00:00.000+00:00",
      "title": "CVE-2026-73458"
    },
    {
      "cve": "CVE-2026-73464",
      "product_status": {
        "known_affected": [
          "T059360",
          "T059362",
          "T059361",
          "T059359"
        ]
      },
      "release_date": "2026-09-15T22:00:00.000+00:00",
      "title": "CVE-2026-73464"
    },
    {
      "cve": "CVE-2026-73465",
      "product_status": {
        "known_affected": [
          "T059360",
          "T059362",
          "T059361",
          "T059359"
        ]
      },
      "release_date": "2026-09-15T22:00:00.000+00:00",
      "title": "CVE-2026-73465"
    },
    {
      "cve": "CVE-2026-73466",
      "product_status": {
        "known_affected": [
          "T059360",
          "T059362",
          "T059361",
          "T059359"
        ]
      },
      "release_date": "2026-09-15T22:00:00.000+00:00",
      "title": "CVE-2026-73466"
    },
    {
      "cve": "CVE-2026-73467",
      "product_status": {
        "known_affected": [
          "T059360",
          "T059362",
          "T059361",
          "T059359"
        ]
      },
      "release_date": "2026-09-15T22:00:00.000+00:00",
      "title": "CVE-2026-73467"
    }
  ]
}



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Sightings

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Nomenclature

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