CVE-2026-50751
Check Point — Check Point Security Gateway Improper Authentication Vulnerability
Check Point · CWE-287 — Improper authentication · in CISA KEV since 2026-06-08
EVRS 92 of 100 Immediate
Out-of-Band / Urgent Remediation
Rank 111 of 2,960 tracked
Why it scores 92
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and associated with known ransomware campaigns.
- CISA KEVApplied
- RansomwareApplied
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
- blog.checkpoint.com/…/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol
- support.checkpoint.com/…/sk185033?_gl=1*1wqeqhc*_gcl_au*MTI1MzE5MjI2LjE3ODA5MzQ1NTM
- nvd.nist.gov/…/CVE-2026-50751
Fixed in
gaia os: update to r81.20 or later | gaia embedded: update to r81.10.17 or later | gaia embedded: update to r82.00.10 or later
Affected versions
- gaia os
>= r80.40 < r81.20r81.20r82r82.10 - gaia embedded
>= r80.20.00 < r81.10.17r81.10.17>= r80.20.00 < r82.00.10r82.00.10 - quantum spark 1530
- quantum spark 1550
- quantum spark 1570
- quantum spark 1570r
- quantum spark 1590
- quantum spark 1595r
+14 more affected products; see the full list at NVD.
Remediation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 9.3 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.853 (99.72nd pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Known | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2026-06-11 · CISA federal deadline · Overdue by 4 months | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | None known | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 9.3 (v3.1), assigned by checkpoint. | Listed | ENISA EUVD |
Description
NVDA 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.
What CISA says to do