User Authentication Bypass in VPN Remote Access and Mobile Access
Published Jun 8, 2026 ·Due Jun 11, 2026
9.3
CRITICALCVSS 3.1
EPSS 6.30%
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.
Affected products
-
- Version R81.10, R81, and R80.40StatusaffectedConstraints-
- Version R81.20 with Jumbo Hotfix Take 141 or belowStatusaffectedConstraints-
- Version R82 with Jumbo Hotfix Take 103 or belowStatusaffectedConstraints-
- Version R82.10 with Jumbo Hotfix Take 19 or belowStatusaffectedConstraints-
- Version
-
- Version R80.20.X, R81.10.X, and R82.00.XStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Check Point | Quantum Security Gateway | n/a |
| |||||||||||||||
| Check Point | Spark Firewalls | n/a |
|
Configuration 1
- ≥ r80.40 · < r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r81.20
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82
- r82.10
- r82.10
- r82.10
Configuration 2
- ≥ r80.20.00 · < r81.10.17
- r81.10.17
- r81.10.17
- r81.10.17
- r81.10.17
- r81.10.17
- r81.10.17
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 3
- ≥ r80.20.00 · < r82.00.10
- r82.00.10
- r82.00.10
- r82.00.10
- r82.00.10
- r82.00.10
- r82.00.10
- r82.00.10
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
Date Added
Jun 8, 2026
Patch Due
Jun 11, 2026
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Jun 9, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
Jun–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 6.30% (0.06301) | 93.40th | v5 (v2026.06.15) |
| Oct 1, 2026 | 6.30% (0.06301) | 93.39th | v5 (v2026.06.15) |
| Aug 24, 2026 | 83.77% (0.83771) | 99.67th | v5 (v2026.06.15) |
| Jul 24, 2026 | 82.55% (0.82554) | 99.63th | v5 (v2026.06.15) |
| Jun 23, 2026 | 71.05% (0.71051) | 99.32th | v5 (v2026.06.15) |
| Jun 17, 2026 | 41.15% (0.41152) | 98.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.22% (0.06216) | 92.60th | v5 (v2026.06.15) |
| Jun 14, 2026 | 13.73% (0.13731) | 94.46th | v4 (v2025.03.14) |
| Jun 10, 2026 | 11.84% (0.11841) | 93.88th | v4 (v2025.03.14) |
| Jun 9, 2026 | 17.69% (0.17688) | 95.25th | v4 (v2025.03.14) |
| Jun 8, 2026 | 0.01% (0.00010) | 1.23th | v4 (v2025.03.14) |
References (3)
- https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ vendor-advisoryVendor Advisory
- https://support.checkpoint.com/results/sk/sk185033 MitigationPatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ | vendor-advisoryVendor Advisory | |
| https://support.checkpoint.com/results/sk/sk185033 | MitigationPatchVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.