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CVE-2025-52953 Junos OS and Junos OS Evolved: An unauthenticated adjacent attacker sending a valid BGP UPDATE packet forces a BGP session reset

🗓️ 11 Jul 2025 15:04:55Reported by juniperType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

CVE-2025-52953 in Junos OS allows unauthenticated adjacent attackers to cause BGP session resets.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "bgp"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "21.2R3-S9",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThan": "21.4R3-S11",
        "status": "affected",
        "version": "21.4",
        "versionType": "semver"
      },
      {
        "lessThan": "22.2R3-S7",
        "status": "affected",
        "version": "22.2",
        "versionType": "semver"
      },
      {
        "lessThan": "22.4R3-S7",
        "status": "affected",
        "version": "22.4",
        "versionType": "semver"
      },
      {
        "lessThan": "23.2R2-S4",
        "status": "affected",
        "version": "23.2",
        "versionType": "semver"
      },
      {
        "lessThan": "23.4R2-S4",
        "status": "affected",
        "version": "23.4",
        "versionType": "semver"
      },
      {
        "lessThan": "24.2R2",
        "status": "affected",
        "version": "24.2",
        "versionType": "semver"
      },
      {
        "lessThan": "24.4R1-S3, 24.4R2",
        "status": "affected",
        "version": "24.4",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "modules": [
      "bgp"
    ],
    "product": "Junos OS Evolved",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "22.2R3-S7-EVO",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThan": "22.4R3-S7-EVO",
        "status": "affected",
        "version": "22.4-EVO",
        "versionType": "semver"
      },
      {
        "lessThan": "23.2R2-S4-EVO",
        "status": "affected",
        "version": "23.2-EVO",
        "versionType": "semver"
      },
      {
        "lessThan": "23.4R2-S4-EVO",
        "status": "affected",
        "version": "23.4-EVO",
        "versionType": "semver"
      },
      {
        "lessThan": "24.2R2-EVO",
        "status": "affected",
        "version": "24.2-EVO",
        "versionType": "semver"
      },
      {
        "lessThan": "24.4R1-S3-EVO, 24.4R2-EVO",
        "status": "affected",
        "version": "24.4-EVO",
        "versionType": "semver"
      }
    ]
  }
]

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