🛡️ CVE-2022-23613 — fedora

🟠 CVSS 7.8 — High ✅ No Known Exploit CWE-191 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

xrdp is an open source remote desktop protocol (RDP) server. In affected versions an integer underflow leading to a heap overflow in the sesman server allows any unauthenticated attacker which is able to locally access a sesman server to execute code as root. This vulnerability has been patched in version 0.9.18.1 and above. Users are advised to upgrade. There are no known workarounds.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-23613 is classified as CWE-191: Integer Underflow. A subtraction drops below the minimum for the type and wraps, yielding an unexpectedly large value.

Affected software

CVE-2022-23613 is recorded against 2 packages.

  • fedora
  • xrdp

Timeline and source

Published on 7 February 2022 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
lists.fedoraproject.org
lists.fedoraproject.org
github.com
github.com
lists.fedoraproject.org
lists.fedoraproject.org

CVE-2022-23613 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-191
Public Exploit ✅ No
Source NVD
Published 2022-02-07
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
fedora — —
xrdp — —

References

Similar Threats

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