What is CVE-2024-39917?

CVE-2024-39917 is a high-severity vulnerability in Neutrinolabs Xrdp, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.2/10. Published 2024-07-12.

How severe is CVE-2024-39917?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2024-39917 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Neutrinolabs Xrdp

CVE-2024-39917

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.

EPSS: 0.006 (45.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L.

Affected products

Neutrinolabs Xrdp — versions <= 0.10.0

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

Public proof-of-concept exploits

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2024-39917?: CVE-2024-39917 is a high-severity vulnerability in Neutrinolabs Xrdp, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.2/10. Published 2024-07-12.
How severe is CVE-2024-39917?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2024-39917 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.