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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| checkpoint | Quantum Security Gateway | R82.10 with Jumbo Hotfix Take 19 or below, R82 with Jumbo Hotfix Take 103 or below, R81.20 with Jumbo Hotfix Take 141 or below, R81.10, R81, and R80.40 | — |
| checkpoint | Spark Firewalls | R80.20.X, R81.10.X, and R82.00.X | — |
Advisories 2
- NCSC-2026-0179 Kwetsbaarheden verholpen in Check Point Remote and Mobile Access VPN-producten NCSC-NL (Netherlands) · Jun 16, 2026
- WID-SEC-2026-1818 Check Point Remote Access VPN und Mobile Access: Mehrere Schwachstellen ermöglichen Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Jun 11, 2026