CVE Details
CVE-2026-50751
Check Point Security Gateway Improper Authentication Vulnerability
Published: 2026-06-08
CVSS: 9.3 CRITICAL
Product: Check Point Security Gateway
Due Date: 2026-06-11
Check Point Security Gateway contains an improper authentication vulnerability in IKEv1 key exchange that could allow an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.
GitHub PoC
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No GitHub PoC data.
FIRST EPSS
EPSS estimates the probability of exploitation in the next 30 days. Higher values indicate higher likelihood of real-world exploitation.
No EPSS data.
Timeline
CVE Stalker
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MITRE
GitHub
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References
Show Raw Data
| Key | Remaining Key | Value |
|---|---|---|
| dataType | CVE_RECORD | |
| dataVersion | 5.2 | |
| cveMetadata > | cveId | CVE-2026-50751 |
| cveMetadata > | assignerOrgId | 897c38be-0345-43cd-b6cf-fe179e0c4f45 |
| cveMetadata > | state | PUBLISHED |
| cveMetadata > | assignerShortName | checkpoint |
| cveMetadata > | dateReserved | 2026-06-07T09:42:08.251Z |
| cveMetadata > | datePublished | 2026-06-08T11:07:15.746Z |
| cveMetadata > | dateUpdated | 2026-06-08T16:20:11.403Z |
| containers > | cna > affected > 0 > product | Quantum Security Gateway |
| containers > | cna > affected > 0 > vendor | checkpoint |
| containers > | cna > affected > 0 > versions > 0 > status | affected |
| containers > | cna > affected > 0 > versions > 0 > version | R82.10 with Jumbo Hotfix Take 19 or below |
| containers > | cna > affected > 0 > versions > 1 > status | affected |
| containers > | cna > affected > 0 > versions > 1 > version | R82 with Jumbo Hotfix Take 103 or below |
| containers > | cna > affected > 0 > versions > 2 > status | affected |
| containers > | cna > affected > 0 > versions > 2 > version | R81.20 with Jumbo Hotfix Take 141 or below |
| containers > | cna > affected > 0 > versions > 3 > status | affected |
| containers > | cna > affected > 0 > versions > 3 > version | R81.10, R81, and R80.40 |
| containers > | cna > affected > 1 > product | Spark Firewalls |
| containers > | cna > affected > 1 > vendor | checkpoint |
| containers > | cna > affected > 1 > versions > 0 > status | affected |
| containers > | cna > affected > 1 > versions > 0 > version | R80.20.X, R81.10.X, and R82.00.X |
| containers > | cna > title | User Authentication Bypass in VPN Remote Access and Mobile Access |
| containers > | cna > descriptions > 0 > lang | en |
| containers > | cna > descriptions > 0 > value | 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. |
| containers > | cna > problemTypes > 0 > descriptions > 0 > cweId | CWE-287 |
| containers > | cna > problemTypes > 0 > descriptions > 0 > description | CWE-287: Improper Authentication. |
| containers > | cna > problemTypes > 0 > descriptions > 0 > lang | en |
| containers > | cna > problemTypes > 0 > descriptions > 0 > type | CWE |
| containers > | cna > providerMetadata > orgId | 897c38be-0345-43cd-b6cf-fe179e0c4f45 |
| containers > | cna > providerMetadata > shortName | checkpoint |
| containers > | cna > providerMetadata > dateUpdated | 2026-06-08T11:07:15.746Z |
| containers > | cna > references > 0 > url | https://support.checkpoint.com/results/sk/sk185033 |
| containers > | cna > metrics > 0 > format | CVSS |
| containers > | cna > metrics > 0 > scenarios > 0 > lang | en |
| containers > | cna > metrics > 0 > scenarios > 0 > value | GENERAL |
| containers > | cna > metrics > 0 > other > type | CVSSv4.0 |
| containers > | cna > metrics > 0 > other > content > version | 4.0 |
| containers > | cna > metrics > 0 > other > content > attackVector | NETWORK |
| containers > | cna > metrics > 0 > other > content > attackComplexity | LOW |
| containers > | cna > metrics > 0 > other > content > attackRequirements | NONE |
| containers > | cna > metrics > 0 > other > content > privilegesRequired | NONE |
| containers > | cna > metrics > 0 > other > content > userInteraction | NONE |
| containers > | cna > metrics > 0 > other > content > vulnConfidentialityImpact | HIGH |
| containers > | cna > metrics > 0 > other > content > vulnIntegrityImpact | HIGH |
| containers > | cna > metrics > 0 > other > content > vulnAvailabilityImpact | LOW |
| containers > | cna > metrics > 0 > other > content > subConfidentialityImpact | NONE |
| containers > | cna > metrics > 0 > other > content > subIntegrityImpact | NONE |
| containers > | cna > metrics > 0 > other > content > subAvailabilityImpact | NONE |
| containers > | cna > metrics > 0 > other > content > baseScore | 9.3 |
| containers > | cna > metrics > 0 > other > content > baseSeverity | CRITICAL |
| containers > | cna > metrics > 0 > other > content > vectorString | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N |
| containers > | adp > 0 > references > 0 > url | https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ |
| containers > | adp > 0 > references > 0 > tags > 0 | vendor-advisory |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > scope | CHANGED |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > version | 3.1 |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > baseScore | 9.3 |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > attackVector | NETWORK |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > baseSeverity | CRITICAL |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > vectorString | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > integrityImpact | LOW |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > userInteraction | NONE |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > attackComplexity | LOW |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > availabilityImpact | NONE |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > privilegesRequired | NONE |
| containers > | adp > 0 > metrics > 0 > cvssV3_1 > confidentialityImpact | HIGH |
| containers > | adp > 0 > metrics > 1 > other > type | ssvc |
| containers > | adp > 0 > metrics > 1 > other > content > timestamp | 2026-06-08T16:20:03.588285Z |
| containers > | adp > 0 > metrics > 1 > other > content > id | CVE-2026-50751 |
| containers > | adp > 0 > metrics > 1 > other > content > options > 0 > Exploitation | none |
| containers > | adp > 0 > metrics > 1 > other > content > options > 1 > Automatable | yes |
| containers > | adp > 0 > metrics > 1 > other > content > options > 2 > Technical Impact | partial |
| containers > | adp > 0 > metrics > 1 > other > content > role | CISA Coordinator |
| containers > | adp > 0 > metrics > 1 > other > content > version | 2.0.3 |
| containers > | adp > 0 > title | CISA ADP Vulnrichment |
| containers > | adp > 0 > providerMetadata > orgId | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| containers > | adp > 0 > providerMetadata > shortName | CISA-ADP |
| containers > | adp > 0 > providerMetadata > dateUpdated | 2026-06-08T16:20:11.403Z |