Description
A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated attacker positioned as a man-in-the-middle to bypass certificate validation in VPN site-to-site connections that use certificate-based authentication. Successful exploitation could allow interception or modification of traffic traversing the VPN tunnel.
Published: 2026-06-08
Score: 7.4 High
EPSS: 4.9% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 10 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 09 Jun 2026 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Checkpoint
Checkpoint quantum Security Gateway
Checkpoint spark Firewalls
Vendors & Products Checkpoint
Checkpoint quantum Security Gateway
Checkpoint spark Firewalls

Mon, 08 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 08 Jun 2026 11:45:00 +0000

Type Values Removed Values Added
Description A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated attacker positioned as a man-in-the-middle to bypass certificate validation in VPN site-to-site connections that use certificate-based authentication. Successful exploitation could allow interception or modification of traffic traversing the VPN tunnel.
Title Certificate Validation Bypass in VPN Site-to-Site Connections Using IKEv1
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Subscriptions

Checkpoint Quantum Security Gateway Spark Firewalls
cve-icon MITRE

Status: PUBLISHED

Assigner: checkpoint

Published:

Updated: 2026-06-10T13:36:24.946Z

Reserved: 2026-06-07T09:42:08.252Z

Link: CVE-2026-50752

cve-icon Vulnrichment

Updated: 2026-06-08T12:55:47.994Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-08T12:16:32.503

Modified: 2026-06-08T14:57:49.490

Link: CVE-2026-50752

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-18T07:30:05Z

Weaknesses