CVE-2022-23483

Name: CVE-2022-23483
Creator: NVD / NIST
Published: 2022-12-09T18:15:16.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.82%

Last modified Jun 17, 2026

CVE-2022-23483 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in libxrdp_send_to_channel() function. There are no known workarounds for this issue. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in libxrdp_send_to_channel() function. There are no known workarounds for this issue. Users are advised to upgrade.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS Probability

0.82%

52.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Neutrinolabs	Xrdp	< 0.9.21
Debian	Debian Linux	11.0

References

https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-38rw-9ch2-fcxqThird Party Advisory
https://www.debian.org/security/2023/dsa-5502Third Party Advisory
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-38rw-9ch2-fcxqThird Party Advisory
https://www.debian.org/security/2023/dsa-5502Third Party Advisory

Timeline

Published: Dec 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23483?

How severe is CVE-2022-23483?

CVE-2022-23483 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23483?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23483?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST