What’s Vulnerable › Vulnerabilities
CVE-2022-24882: Server side NTLM does not properly check parameters in FreeRDP
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.8% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2022-04-26 · updated 2026-06-17
- Weakness: CWE-287
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). In versions prior to 2.7.0, NT LAN Manager (NTLM) authentication does not properly abort when someone provides and empty password value. This issue affects FreeRDP based RDP Server implementations. RDP clients are not affected. The vulnerability is patched in FreeRDP 2.7.0. There are currently no known workarounds.
Affected products
- Fedoraproject Extra Packages For Enterprise Linux: 8.0
- Fedoraproject Fedora: 34, 35, 36
- FreeRDP: before 2.7.0 — fixed in 2.7.0
How to fix
Upgrade to a fixed version: FreeRDP 2.7.0. Check the vendor advisory for mitigations.
References
- https://github.com/FreeRDP/FreeRDP/pull/7750
- https://github.com/FreeRDP/FreeRDP/releases/tag/2.7.0
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6x5p-gp49-3jhh
- https://gitlab.gnome.org/GNOME/gnome-remote-desktop/-/issues/95
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AELSWWBAM2YONRPGLWVDY6UNTLJERJYL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DOYKBQOHSRM7JQYUIYUWFOXI2JZ2J5RD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZWR6KSIKXO4B2TXBB3WH6YTNYHN46OY/
- https://security.gentoo.org/glsa/202210-24
- https://github.com/FreeRDP/FreeRDP/pull/7750
- https://github.com/FreeRDP/FreeRDP/releases/tag/2.7.0
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6x5p-gp49-3jhh
- https://gitlab.gnome.org/GNOME/gnome-remote-desktop/-/issues/95
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