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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2026-0305
Multiple Vulnerabilities in Check Point VPN Products

Original Issue Date:June 12, 2026

Severity Rating: CRITICAL

Software Affected

  • Security Gateways
    • R82.10 Jumbo Hotfix Take 19 or below 
    • R82 Jumbo Hotfix Take 103 or below 
    • R81.20 Jumbo Hotfix Take 141 or below 
    • R81.10 (EOS) 
    • R81 (EOS) 
    • R80.40 (EOS)
  • Spark Firewalls
    • R80.20.X (EOS) 
    • R81.10.X 
    • R82.00.X

Overview

Multiple vulnerabilities have been reported in Check Point VPN products which could allow an attacker to bypass user authentication or compromise the integrity of VPN communications through a Man in the Middle (MitM) attack.

Target Audience:
Organizations and individuals using affected Check Point Security Gateways and Spark Firewall products.

Risk Assessment:
High risk of unauthorized access and compromise of VPN trust relationships.

Impact Assessment:
Potential for establishment of unauthorized VPN connections or Man in the Middle (MitM) attacks on site-to-site VPN communications.

Description

Check Point provides network security, cloud security and management solutions for enterprise environments.

Multiple vulnerabilities exist in Check Point VPN products due to weaknesses in certificate validation logic associated with the deprecated IKEv1 key exchange mechanism and logic flow weaknesses in VPN authentication process.

Successful exploitation of these vulnerabilities could allow an attacker to bypass user authentication and establish unauthorized VPN connections or perform Man in the Middle (MitM) attacks against communications between VPN gateways.

Note: The vulnerability is being exploited in the wild.

Solution

Apply appropriate updates as mentioned by the Vendor:
https://support.checkpoint.com/results/sk/sk185033

https://support.checkpoint.com/results/sk/sk185035

Vendor Information

Check Point
https://blog.checkpoint.com/security/

References

 
https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/

CVE Name
CVE-2026-50751
CVE-2026-50752

Disclaimer

The information provided herein is on "as is" basis, without warranty of any kind.

Contact Information

Email: info@cert-in.org.in
Phone: +91-11-22902657

Postal address

Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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