Vulnerability-Lookup

GHSA-JQXH-X9F5-WCGW

Vulnerability from github – Published: 2026-06-08 12:30 – Updated: 2026-06-08 21:31

Details

A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.

Severity

9.3 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-50751"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-08T12:16:32Z",
    "severity": "CRITICAL"
  },
  "details": "A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.",
  "id": "GHSA-jqxh-x9f5-wcgw",
  "modified": "2026-06-08T21:31:49Z",
  "published": "2026-06-08T12:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50751"
    },
    {
      "type": "WEB",
      "url": "https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol"
    },
    {
      "type": "WEB",
      "url": "https://support.checkpoint.com/results/sk/sk185033"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-50751 (GCVE-0-2026-50751)

Vulnerability from cvelistv5 – Published: 2026-06-08 11:07 – Updated: 2026-06-10 13:37

Title

User Authentication Bypass in VPN Remote Access and Mobile Access

Summary

Severity

9.3 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-287 - Improper Authentication.

Assigner

checkpoint

References

3 references

URL	Tags
https://support.checkpoint.com/results/sk/sk185033
https://blog.checkpoint.com/security/check-point-…	vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

2 products

Vendor	Product	Version
checkpoint	Quantum Security Gateway	Affected: R82.10 with Jumbo Hotfix Take 19 or below Affected: R82 with Jumbo Hotfix Take 103 or below Affected: R81.20 with Jumbo Hotfix Take 141 or below Affected: R81.10, R81, and R80.40
checkpoint	Spark Firewalls	Affected: R80.20.X, R81.10.X, and R82.00.X

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 9.3,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-50751",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-09T03:55:36.834802Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2026-06-08",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751"
              },
              "type": "kev"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-10T13:37:27.725Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
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            "tags": [
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            ],
            "url": "https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/"
          },
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
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          "product": "Quantum Security Gateway",
          "vendor": "checkpoint",
          "versions": [
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              "version": "R82.10 with Jumbo Hotfix Take 19 or below"
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              "version": "R82 with Jumbo Hotfix Take 103 or below"
            },
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              "version": "R81.20 with Jumbo Hotfix Take 141 or below"
            },
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              "version": "R81.10, R81, and R80.40"
            }
          ]
        },
        {
          "product": "Spark Firewalls",
          "vendor": "checkpoint",
          "versions": [
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              "status": "affected",
              "version": "R80.20.X, R81.10.X, and R82.00.X"
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      "metrics": [
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          "format": "CVSS",
          "other": {
            "content": {
              "attackComplexity": "LOW",
              "attackRequirements": "NONE",
              "attackVector": "NETWORK",
              "baseScore": 9.3,
              "baseSeverity": "CRITICAL",
              "privilegesRequired": "NONE",
              "subAvailabilityImpact": "NONE",
              "subConfidentialityImpact": "NONE",
              "subIntegrityImpact": "NONE",
              "userInteraction": "NONE",
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              "vulnIntegrityImpact": "HIGH"
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        "shortName": "checkpoint"
      },
      "references": [
        {
          "url": "https://support.checkpoint.com/results/sk/sk185033"
        }
      ],
      "title": "User Authentication Bypass in VPN Remote Access and Mobile Access"
    }
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  "cveMetadata": {
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    "assignerShortName": "checkpoint",
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    "datePublished": "2026-06-08T11:07:15.746Z",
    "dateReserved": "2026-06-07T09:42:08.251Z",
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    "state": "PUBLISHED"
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-JQXH-X9F5-WCGW

CVE-2026-50751 (GCVE-0-2026-50751)

Tags

Sightings

Nomenclature