CVE-2026-50751
CRITICAL CISA KEV EPSS 99.3%
Published Jun 8, 20263w ago · Modified Jun 17, 20262w ago
9.3 CVSS 3.1
Published Jun 8, 2026 3w ago
Last Modified Jun 17, 2026 2w ago
KEV Listed Jun 8, 2026 3w ago
KEV Due Jun 11, 2026 20d overdue
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity Low
Availability None
Threat Intelligence
CISA Known Exploited Overdue 20d
- Added
- Jun 8, 2026
- Due
- Jun 11, 2026
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS Exploit Probability
99.3% percentile
Exploit & Patch Status
Actively Exploited (KEV)
Patch Available
Weaknesses 1
CWE-287 Improper Authentication Authentication
Affected Products 93
| Vendor | Product | Version | Range |
|---|---|---|---|
| checkpoint | gaia_os | * | ≥r80.40 – <r81.20 |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r81.20 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82 | any |
| checkpoint | gaia_os | r82.10 | any |
| checkpoint | gaia_os | r82.10 | any |
| checkpoint | gaia_os | r82.10 | any |
| checkpoint | gaia_embedded | * | ≥r80.20.00 – <r81.10.17 |
| checkpoint | gaia_embedded | r81.10.17 | any |
| checkpoint | gaia_embedded | r81.10.17 | any |
| checkpoint | gaia_embedded | r81.10.17 | any |
| checkpoint | gaia_embedded | r81.10.17 | any |
| checkpoint | gaia_embedded | r81.10.17 | any |
| checkpoint | gaia_embedded | r81.10.17 | any |
| checkpoint | quantum_spark_1530 | * | any |
| checkpoint | quantum_spark_1550 | * | any |
| checkpoint | quantum_spark_1570 | * | any |
| checkpoint | quantum_spark_1570r | * | any |
| checkpoint | quantum_spark_1590 | * | any |
| checkpoint | quantum_spark_1595r | * | any |
| checkpoint | quantum_spark_1600 | * | any |
| checkpoint | quantum_spark_1800 | * | any |
| checkpoint | quantum_spark_1900 | * | any |
| checkpoint | quantum_spark_2000 | * | any |
| checkpoint | gaia_embedded | * | ≥r80.20.00 – <r82.00.10 |
| checkpoint | gaia_embedded | r82.00.10 | any |
| checkpoint | gaia_embedded | r82.00.10 | any |
| checkpoint | gaia_embedded | r82.00.10 | any |
| checkpoint | gaia_embedded | r82.00.10 | any |
| checkpoint | gaia_embedded | r82.00.10 | any |
| checkpoint | gaia_embedded | r82.00.10 | any |
| checkpoint | gaia_embedded | r82.00.10 | any |
| checkpoint | quantum_spark_1535 | * | any |
| checkpoint | quantum_spark_1555 | * | any |
| checkpoint | quantum_spark_1575 | * | any |
| checkpoint | quantum_spark_1575r | * | any |
| checkpoint | quantum_spark_2530 | * | any |
| checkpoint | quantum_spark_2550 | * | any |
| checkpoint | quantum_spark_2560 | * | any |
| checkpoint | quantum_spark_2570 | * | any |
| checkpoint | quantum_spark_2580 | * | any |
| checkpoint | quantum_spark_2590 | * | any |
References 3
- blog.checkpoint.com https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/
- support.checkpoint.com https://support.checkpoint.com/results/sk/sk185033
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751
Remediation
- support.checkpoint.com https://support.checkpoint.com/results/sk/sk185033