7.4
High
CVE-2026-50752 A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated…
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Quantum Security Gateway | Versions not published | |
| Spark Firewalls | Versions not published |
Other CVEs of Quantum Security Gateway
The 10 CVEs of Quantum Security Gateway →
CVE-2026-85103
A heap-based buffer overflow in VPN certificate ASN.1 decoding may allow an unauthenticated remote attacker to execute…
9.8
Critical
CVE-2026-85102
Check Point Multiple Products Improper Certificate Validation Vulnerability
9.8
Critical
CVE-2026-62145
A vulnerability in Check Point Gaia Portal allows an authenticated attacker with read-only Gaia Portal privileges to…
7.5
High
CVE-2026-50751
Check Point Security Gateway Improper Authentication Vulnerability
Not rated