Check Point Security Gateway Improper Authentication Vulnerability
Description
Check Point Security Gateway contains an improper authentication vulnerability in IKEv1 key exchange that could allow an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Turn on Check Point alerts
Details
- Vendor
- Check Point
- Product
- Check Point Security Gateway
- CVE
- CVE-2026-50751
- Affected versions
- Gaia OS: from R80.40 to before R81.20
Gaia OS: R81.20 GA and Jumbo Hotfix up to Take 141
Gaia OS: R82 GA and Jumbo Hotfix up to Take 103
Gaia OS: R82.10 GA, Take 6, Take 19
Gaia Embedded: from R80.20.00 to R81.10.17 (included) (from the advisory and NVD; check the exact builds in the official advisory) - CVSS score
- 9.3
- Actively exploited
- Yes, listed in the CISA Known Exploited Vulnerabilities catalog
- CISA due date
- June 11, 2026 (deadline for US federal agencies: a good benchmark for you too)
- Source
- CISA KEV – original advisory
- Published
- June 8, 2026
The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.