CVE-2026-50752
highpriority · track · 2EPSS 0.050 · 92 %ileDEEUNLRUEPSS · scored 2026-10-27
A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated attacker positioned as a man-in-the-middle to bypass certificate validation in VPN site-to-site connections that use certificate-based authentication. Successful exploitation could allow interception or modification of traffic traversing the VPN tunnel.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (18)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2026-0179Kwetsbaarheden verholpen in Check Point Remote and Mobile Access VPN-productenNL2026-06-08csaf · ncsc_nlNL
Check Point heeft kwetsbaarheden verholpen in Remote and Mobile Access VPN-producten, specifiek voor implementaties die gebruikmaken van het IKEv1 key exchange protocol.
- WID-SEC-W-2026-1818Check Point Remote Access VPN und Mobile Access: Mehrere Schwachstellen ermöglichen Umgehen von SicherheitsvorkehrungenDeutsch2026-06-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Check Point Remote Access VPN und Check Point Mobile Access ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
also known as (5)
Other names and identifiers for this entity.
sources
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references (5)
External citations — patches, advisories, analysis.
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