VULNERABILITY INTELLIGENCE

CVE-2026-50752

CVSS score7.4 HIGH
EPSS probability5.00%
CISA KEVNot currently listed
Published2026-06-08
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

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.

Weakness classification

  • cve@checkpoint.com: CWE-295

Primary references