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CVE-2024-9135

Status: DeferredMedium (5.3)—

On affected platforms running Arista EOS with BGP Link State configured, BGP peer flap can cause the BGP agent to leak memory. This may result in BGP routing processing being terminated and route flapping.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Arista — EOSAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-9135",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-9135",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-03-04T20:33:54.371098Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@arista.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@arista.com",
      "affectedData": [
        {
          "vendor": "Arista Networks",
          "product": "EOS",
          "versions": [
            {
              "status": "affected",
              "version": "4.33.0"
            },
            {
              "status": "affected",
              "version": "4.31.0",
              "versionType": "custom",
              "lessThanOrEqual": "4.31.5"
            },
            {
              "status": "affected",
              "version": "4.30.0",
              "versionType": "custom",
              "lessThanOrEqual": "4.30.8.1"
            },
            {
              "status": "affected",
              "version": "4.29.0",
              "versionType": "custom",
              "lessThanOrEqual": "4.29.9.1"
            },
            {
              "status": "affected",
              "version": "4.28.0"
            },
            {
              "status": "affected",
              "version": "4.27.0",
              "versionType": "custom",
              "lessThanOrEqual": "4.27.1"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-03-04T21:15:12.360",
  "references": [
    {
      "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/21092-security-advisory-0110",
      "source": "psirt@arista.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@arista.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "On affected platforms running Arista EOS with BGP Link State configured, BGP peer flap can cause the BGP agent to leak memory. This may result in BGP routing processing being terminated and route flapping."
    },
    {
      "lang": "es",
      "value": "En las plataformas afectadas que ejecutan Arista EOS con BGP Link State configurado, la inestabilidad de los pares BGP puede provocar que el agente BGP pierda memoria. Esto puede provocar la finalización del procesamiento de enrutamiento BGP y la inestabilidad de las rutas."
    }
  ],
  "lastModified": "2026-06-17T08:24:01.360",
  "sourceIdentifier": "psirt@arista.com"
}