CVE-2024-39917

Summary

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.

Affected Software

Weaknesses

• CWE-307: CWE-307: Improper Restriction of Excessive Authentication Attempts

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

CVE Program Container

Additional References

• https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-7w22-h4w7-8j5j
• https://github.com/neutrinolabs/xrdp/commit/19c111c74c913ecc6e4ba9a738ed929a79d2ae8f
• https://lists.debian.org/debian-lts-announce/2025/05/msg00018.html

References

• https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-7w22-h4w7-8j5j
• https://github.com/neutrinolabs/xrdp/commit/19c111c74c913ecc6e4ba9a738ed929a79d2ae8f

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