CVE-2007-4752: OpenBSD OpenSSH

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an X client to be treated as trusted.

Affected products

• OpenBSD OpenSSH: up to and including 4.6; version 4.0 only; version 4.0p1 only; version 4.1 only; version 4.1p1 only; version 4.2 only; …

Published 2007-09-12. Last modified 2026-06-16.