CVE-2026-102082 (GCVE-0-2026-102082)

Vulnerability from cvelistv5 – Published: 2026-10-14 16:26 – Updated: 2026-10-14 20:26
VLAI
Title
Junos OS: SRX Series: If TLS session resumption is configured and a specific TLS message is received a PFE crash occurs
Summary
An Improper Handling of Missing Special Element vulnerability in the SSL plugin of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial-of-Service (DoS). This issue is will occur when 'ssl-proxy' is configured on SRX platforms and during a TLS session-resumption attempt a specifically malformed TLS message is received. This results in an invalid pointer access and PFE crash which causes a temporary loss of traffic forwarding until the PFE automatically recovers. The exact internal timing to trigger this issue is outside the attacker's direct control.This issue affects Junos OS on SRX Series: * All versions before 23.2R2-S5; * 23.4 versions before 23.4R2-S5; * 24.2 versions before 24.2R2-S2; * 24.4 versions before 24.4R2.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 20:16 UTC
CWE
  • CWE-166 - Improper Handling of Missing Special Element
Assigner
juniper CNA under the mitre root
CNA scorecard B 85/100 over 175 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Juniper Networks Junos OS Affected: 0 , < 23.2R2-S5 (custom)
Affected: 23.4 , < 23.4R2-S5 (custom)
Affected: 24.2 , < 24.2R2-S2 (custom)
Affected: 24.4 , < 24.4R2 (custom)
guessed Create a notification for this product.
Date Public
2026-10-14 16:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-102082",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-14T20:16:11.164101Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-14T20:26:05.922Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "SRX Series"
          ],
          "product": "Junos OS",
          "vendor": "Juniper Networks",
          "versions": [
            {
              "lessThan": "23.2R2-S5",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "23.4R2-S5",
              "status": "affected",
              "version": "23.4",
              "versionType": "custom"
            },
            {
              "lessThan": "24.2R2-S2",
              "status": "affected",
              "version": "24.2",
              "versionType": "custom"
            },
            {
              "lessThan": "24.4R2",
              "status": "affected",
              "version": "24.4",
              "versionType": "custom"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003ctt\u003e[ services ssl proxy \u0026lt;name\u0026gt; ]\u003c/tt\u003e"
            }
          ],
          "value": "[ services ssl proxy \u003cname\u003e ]"
        }
      ],
      "datePublic": "2026-10-14T16:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eAn Improper Handling of Missing Special Element vulnerability in the SSL plugin of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial-of-Service (DoS).\u003c/span\u003e\u003cbr\u003e\n\n\u003cbr\u003eThis issue is will occur when \u0027ssl-proxy\u0027 is configured on SRX platforms and during a TLS session-resumption attempt a specifically malformed TLS message is received. This results in an invalid pointer access and PFE crash which causes a temporary loss of traffic forwarding until the PFE automatically recovers. The exact internal timing to trigger this issue is outside the attacker\u0027s direct control.\u003cp\u003eThis issue affects Junos OS on SRX Series:\u003cbr\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 23.2R2-S5;\u003c/li\u003e\u003cli\u003e23.4 versions before 23.4R2-S5;\u003c/li\u003e\u003cli\u003e24.2 versions before 24.2R2-S2;\u003c/li\u003e\u003cli\u003e24.4 versions before 24.4R2.\u003c/li\u003e\u003c/ul\u003e\u003cbr\u003e\u003cp\u003e\u003c/p\u003e"
            }
          ],
          "value": "An Improper Handling of Missing Special Element vulnerability in the SSL plugin of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial-of-Service (DoS).\n\n\n\nThis issue is will occur when \u0027ssl-proxy\u0027 is configured on SRX platforms and during a TLS session-resumption attempt a specifically malformed TLS message is received. This results in an invalid pointer access and PFE crash which causes a temporary loss of traffic forwarding until the PFE automatically recovers. The exact internal timing to trigger this issue is outside the attacker\u0027s direct control.This issue affects Junos OS on SRX Series:\n\n\n  *  All versions before 23.2R2-S5;\n  *  23.4 versions before 23.4R2-S5;\n  *  24.2 versions before 24.2R2-S2;\n  *  24.4 versions before 24.4R2."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
            }
          ],
          "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "Automatable": "YES",
            "Recovery": "AUTOMATIC",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "MODERATE"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-166",
              "description": "CWE-166 Improper Handling of Missing Special Element",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-14T16:26:01.170Z",
        "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "shortName": "juniper"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://supportportal.juniper.net/JSA112176"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 23.2R2-S5, 23.4R2-S5, 24.2R2-S2, 24.4R2, 25.2R1, and all subsequent releases."
            }
          ],
          "value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 23.2R2-S5, 23.4R2-S5, 24.2R2-S2, 24.4R2, 25.2R1, and all subsequent releases."
        }
      ],
      "source": {
        "advisory": "JSA112176",
        "defect": [
          "1880888"
        ],
        "discovery": "USER"
      },
      "title": "Junos OS: SRX Series: If TLS session resumption is configured and a specific TLS message is received a PFE crash occurs",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Disable TLS \u0027session-resumption\u0027 to avoid PFE crashes by configuring:\u003cbr\u003e\u003cbr\u003e\n\n\u003ctt\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e[ services ssl proxy profile \u0026lt;profile\u0026gt; actions disable-session-resumption ]\u003cbr\u003e\u003c/span\u003e\u003c/tt\u003e"
            }
          ],
          "value": "Disable TLS \u0027session-resumption\u0027 to avoid PFE crashes by configuring:\n\n\n\n[ services ssl proxy profile \u003cprofile\u003e actions disable-session-resumption ]"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
    "assignerShortName": "juniper",
    "cveId": "CVE-2026-102082",
    "datePublished": "2026-10-14T16:26:01.170Z",
    "dateReserved": "2026-09-28T17:37:38.548Z",
    "dateUpdated": "2026-10-14T20:26:05.922Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-102082",
      "date": "2026-10-15",
      "epss": "0.00342",
      "percentile": "0.26024"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "platforms": [
                  "SRX Series"
                ],
                "product": "Junos OS",
                "vendor": "Juniper Networks",
                "versions": [
                  {
                    "lessThan": "23.2R2-S5",
                    "status": "affected",
                    "version": "0",
                    "versionType": "custom"
                  },
                  {
                    "lessThan": "23.4R2-S5",
                    "status": "affected",
                    "version": "23.4",
                    "versionType": "custom"
                  },
                  {
                    "lessThan": "24.2R2-S2",
                    "status": "affected",
                    "version": "24.2",
                    "versionType": "custom"
                  },
                  {
                    "lessThan": "24.4R2",
                    "status": "affected",
                    "version": "24.4",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "sirt@juniper.net"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "An Improper Handling of Missing Special Element vulnerability in the SSL plugin of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial-of-Service (DoS).\n\n\n\nThis issue is will occur when \u0027ssl-proxy\u0027 is configured on SRX platforms and during a TLS session-resumption attempt a specifically malformed TLS message is received. This results in an invalid pointer access and PFE crash which causes a temporary loss of traffic forwarding until the PFE automatically recovers. The exact internal timing to trigger this issue is outside the attacker\u0027s direct control.This issue affects Junos OS on SRX Series:\n\n\n  *  All versions before 23.2R2-S5;\n  *  23.4 versions before 23.4R2-S5;\n  *  24.2 versions before 24.2R2-S2;\n  *  24.4 versions before 24.4R2."
          }
        ],
        "id": "CVE-2026-102082",
        "lastModified": "2026-10-15T16:24:19.073",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 3.6,
              "source": "sirt@juniper.net",
              "type": "Secondary"
            }
          ],
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "YES",
                "Recovery": "AUTOMATIC",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "PRESENT",
                "attackVector": "NETWORK",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 8.2,
                "baseSeverity": "HIGH",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "LOW",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:M/U:X",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "MODERATE"
              },
              "source": "sirt@juniper.net",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-102082",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-14T20:16:11.164101Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-10-14T17:18:04.010",
        "references": [
          {
            "source": "sirt@juniper.net",
            "url": "https://supportportal.juniper.net/JSA112176"
          }
        ],
        "sourceIdentifier": "sirt@juniper.net",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-166"
              }
            ],
            "source": "sirt@juniper.net",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.