CVE-2026-50752

June 8, 2026, 2:57 p.m.

7.4
High

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.

Product(s) Impacted

Vendor Product Versions
Checkpoint
  • Ikev1
  • Checkpoint Firewall
  • *
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-295
Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a checkpoint ikev1 / / / / / / / /
o checkpoint checkpoint_firewall / / / / / / / /

CVSS Score

7.4 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: NONE
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

    View Vector String

Timeline

Published: June 8, 2026, 12:16 p.m.
Last Modified: June 8, 2026, 2:57 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Linked Attack Reports

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.