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CVE-2026-21917

🗓️ 15 Jan 2026 20:27:11Reported by juniperType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 18 Views

Unauthenticated attacker can cause DoS on Junos SRX via malformed secure sockets layer packet in UTM Web-Filtering.

Related
Detection
Affected
Refs
Social
NVD
Vulners
Node
juniperjunosMatch23.2r2-s2
OR
juniperjunosMatch23.2r2-s3
OR
juniperjunosMatch23.2r2-s4
OR
juniperjunosMatch23.4r2-s1
OR
juniperjunosMatch23.4r2-s2
OR
juniperjunosMatch23.4r2-s3
OR
juniperjunosMatch23.4r2-s4
OR
juniperjunosMatch24.2-
OR
juniperjunosMatch24.2r1
OR
juniperjunosMatch24.2r1-s1
OR
juniperjunosMatch24.2r1-s2
OR
juniperjunosMatch24.2r2
OR
juniperjunosMatch24.2r2-s1
OR
juniperjunosMatch24.4-
OR
juniperjunosMatch24.4r1
OR
juniperjunosMatch24.4r1-s2
OR
juniperjunosMatch24.4r2
AND
[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "SRX Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "23.2R2-S5",
        "status": "affected",
        "version": "23.2R2-S2",
        "versionType": "semver"
      },
      {
        "lessThan": "23.4R2-S5",
        "status": "affected",
        "version": "23.4R2-S1",
        "versionType": "semver"
      },
      {
        "lessThan": "24.2R2-S2",
        "status": "affected",
        "version": "24.2",
        "versionType": "semver"
      },
      {
        "lessThan": "24.4R1-S3, 24.4R2",
        "status": "affected",
        "version": "24.4",
        "versionType": "semver"
      }
    ]
  }
]

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17 Jun 2026 10:19Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.17.5
CVSS 48.7
EPSS0.00375
SSVC
18