CVE-2024-39917 xrdp allows an ininite number of login attempts
Attackers can bypass login attempt limits in xrdp, enabling unlimited brute-force attacks against user accounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-39917?
CVE-2024-39917 is a high-severity vulnerability in neutrinolabs xrdp, published on 12 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
xrdp is an open source RDP server. xrdp versions prior to 0.10.0 have a vulnerability that allows attackers to make an infinite number of login attempts. The number of max login attempts is supposed to be limited by a configuration parameter `MaxLoginRetry` in `/etc/xrdp/sesman.ini`. However, this mechanism was not effectively working. As a result, xrdp allows an infinite number of login attempts.
Weakness: CWE-307
Which versions are affected by CVE-2024-39917?
It affects 1 product.
Linux distribution packages (18)
xrdp SUSE:Enterprise Storage 7.1 | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise Module for Basesystem 15 SP6 | All versions | 0.9.13.1-150600.15.3.1 |
xrdp SUSE:Linux Enterprise Server 12 SP5-LTSS | All versions | 0.9.10-3.19.1 |
xrdp SUSE:Linux Enterprise Server 15 SP3-LTSS | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise Server 15 SP4-LTSS | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise Server 15 SP5-LTSS | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 0.9.10-3.19.1 |
xrdp SUSE:Linux Enterprise Server for SAP Applications 15 SP3 | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Linux Enterprise Server for SAP Applications 15 SP5 | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Manager Proxy 4.3 | All versions | 0.9.13.1-150200.4.33.1 |
xrdp SUSE:Manager Server 4.3 | All versions | 0.9.13.1-150200.4.33.1 |
xrdp openSUSE:Leap 15.6 | All versions | 0.9.13.1-150600.15.3.1 |
Products include Neutrinolabs Xrdp.
How do I fix CVE-2024-39917?
Upgrade to a fixed version.
Is CVE-2024-39917 being exploited?
There is no known exploitation of CVE-2024-39917 in the wild and no public exploit code.
Other vulnerabilities in neutrinolabs xrdp
- CVE-2026-41252 xrdp: lib_palette_update Heap Buffer Overflow & RCE
- CVE-2026-32105 xrdp: RDP MAC signature (dataSignature) never verified on receive — integrity bypass in non-TLS mode
- CVE-2026-44178 xrdp: Channel Data Forwarding Fixed-Size Buffer Overflow
- CVE-2026-32107 xrdp: Fail-open privilege drop in sesexec — child processes may execute as root if setuid fails
- CVE-2026-33689 xrdp: Pre-authentication out-of-bounds reads in channel parsers
Sources
Also known as DEBIAN-CVE-2024-39917, GHSA-7w22-h4w7-8j5j, MGASA-2025-0044, SUSE-SU-2025:0335-1, SUSE-SU-2025:0336-1, SUSE-SU-2025:0350-1 and 1 more.