Check Point Security Gateway Improper Authentication Vulnerability
A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 5 / 5
- KEV catalog (CISA)08 Jun 2026
- Exploited in EUVD (ENISA)08 Jun 2026
- Used by ransomwareyes
- EPSS above 10 %85.3%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.
Affected products
- R80.20.X, R81.10.X, and R82.00.X
- 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
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
-
Published
-
Exploitation reported (ENISA)
-
Added to the KEV catalog
-
CISA remediation due date
-
EPSS peak: 85.3%
References
Other exploited vulnerabilities from the same vendor
- CVE-2026-93616Check Point Multiple Products Path Traversal Vulnerability9.1 · Actively exploited
- CVE-2026-85102Check Point Multiple Products Improper Certificate Validation Vulnerability7.9 · Actively exploited
- CVE-2026-16232Check Point SmartConsole Improper Authentication Vulnerability5.6 · Actively exploited
- CVE-2024-24919Check Point Quantum Security Gateways Information Disclosure Vulnerability9.4 · Background exploitation