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CVE-2025-21594

🗓️ 09 Apr 2025 19:49:41Reported by juniperType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 68 Views

Junos OS vulnerability causes port blocking in DS-lite and NAT scenarios, leading to Denial of Service.

Related
Detection
Affected
Refs
Social
NVD
Vulners
Node
juniperjunosMatch21.2-
OR
juniperjunosMatch21.2r1
OR
juniperjunosMatch21.2r1-s1
OR
juniperjunosMatch21.2r1-s2
OR
juniperjunosMatch21.2r2
OR
juniperjunosMatch21.2r2-s1
OR
juniperjunosMatch21.2r2-s2
OR
juniperjunosMatch21.2r3
OR
juniperjunosMatch21.2r3-s1
OR
juniperjunosMatch21.2r3-s2
OR
juniperjunosMatch21.2r3-s3
OR
juniperjunosMatch21.2r3-s4
OR
juniperjunosMatch21.2r3-s5
OR
juniperjunosMatch21.2r3-s6
OR
juniperjunosMatch21.2r3-s7
OR
juniperjunosMatch21.4-
OR
juniperjunosMatch21.4r1
OR
juniperjunosMatch21.4r1-s1
OR
juniperjunosMatch21.4r1-s2
OR
juniperjunosMatch21.4r2
OR
juniperjunosMatch21.4r2-s1
OR
juniperjunosMatch21.4r2-s2
OR
juniperjunosMatch21.4r3
OR
juniperjunosMatch21.4r3-s1
OR
juniperjunosMatch21.4r3-s2
OR
juniperjunosMatch21.4r3-s3
OR
juniperjunosMatch21.4r3-s4
OR
juniperjunosMatch21.4r3-s5
OR
juniperjunosMatch21.4r3-s6
OR
juniperjunosMatch22.1-
OR
juniperjunosMatch22.1r1
OR
juniperjunosMatch22.1r1-s1
OR
juniperjunosMatch22.1r1-s2
OR
juniperjunosMatch22.1r2
OR
juniperjunosMatch22.1r2-s1
OR
juniperjunosMatch22.1r2-s2
OR
juniperjunosMatch22.1r3
OR
juniperjunosMatch22.1r3-s1
OR
juniperjunosMatch22.1r3-s2
OR
juniperjunosMatch22.1r3-s3
OR
juniperjunosMatch22.1r3-s4
OR
juniperjunosMatch22.1r3-s5
OR
juniperjunosMatch22.2-
OR
juniperjunosMatch22.2r1
OR
juniperjunosMatch22.2r1-s1
OR
juniperjunosMatch22.2r1-s2
OR
juniperjunosMatch22.2r2
OR
juniperjunosMatch22.2r2-s1
OR
juniperjunosMatch22.2r2-s2
OR
juniperjunosMatch22.2r3
OR
juniperjunosMatch22.2r3-s1
OR
juniperjunosMatch22.2r3-s2
OR
juniperjunosMatch22.2r3-s3
OR
juniperjunosMatch22.3-
OR
juniperjunosMatch22.3r1
OR
juniperjunosMatch22.3r1-s1
OR
juniperjunosMatch22.3r1-s2
OR
juniperjunosMatch22.3r2
OR
juniperjunosMatch22.3r2-s1
OR
juniperjunosMatch22.3r2-s2
OR
juniperjunosMatch22.3r3
OR
juniperjunosMatch22.3r3-s1
OR
juniperjunosMatch22.3r3-s2
OR
juniperjunosMatch22.4-
OR
juniperjunosMatch22.4r1
OR
juniperjunosMatch22.4r1-s1
OR
juniperjunosMatch22.4r1-s2
OR
juniperjunosMatch22.4r2
OR
juniperjunosMatch22.4r2-s1
OR
juniperjunosMatch22.4r2-s2
OR
juniperjunosMatch22.4r3
OR
juniperjunosMatch22.4r3-s1
OR
juniperjunosMatch23.2-
OR
juniperjunosMatch23.2r1
OR
juniperjunosMatch23.2r1-s1
OR
juniperjunosMatch23.2r1-s2
OR
juniperjunosMatch23.2r2
OR
juniperjunosMatch23.4-
OR
juniperjunosMatch23.4r1
OR
juniperjunosMatch23.4r1-s1
OR
juniperjunosMatch23.4r2
AND
[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "MX Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "21.2R3-S8",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThan": "21.4R3-S7",
        "status": "affected",
        "version": "21.4",
        "versionType": "semver"
      },
      {
        "lessThan": "22.1R3-S6",
        "status": "affected",
        "version": "22.1",
        "versionType": "semver"
      },
      {
        "lessThan": "22.2R3-S4",
        "status": "affected",
        "version": "22.2",
        "versionType": "semver"
      },
      {
        "lessThan": "22.3R3-S3",
        "status": "affected",
        "version": "22.3",
        "versionType": "semver"
      },
      {
        "lessThan": "22.4R3-S2",
        "status": "affected",
        "version": "22.4",
        "versionType": "semver"
      },
      {
        "lessThan": "23.2R2-S1",
        "status": "affected",
        "version": "23.2",
        "versionType": "semver"
      },
      {
        "lessThan": "23.4R1-S2, 23.4R2",
        "status": "affected",
        "version": "23.4",
        "versionType": "semver"
      },
      {
        "lessThan": "20.2R1",
        "status": "unaffected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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26 Jan 2026 19:36Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
CVSS 48.7
EPSS0.00395
SSVC
68