Skip to content
Fencer Vulns
high 7.8

CVE-2022-23613 json

Privilege escalation on xrdp

published 2022-02-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-28582

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

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.

Patch / fix

  • xrdp Debian 14, Debian 13, Debian 12 0.9.17-2.1

debian advisories DEBIAN-CVE-2022-23613

  • xrdp Ubuntu Pro 14.04 LTS 0.6.0-1ubuntu0.1+esm3
  • xrdp Ubuntu Pro 16.04 LTS 0.6.1-2ubuntu0.3+esm3
  • xrdp Ubuntu Pro 18.04 LTS 0.9.5-2ubuntu0.1~esm2
  • xrdp Ubuntu Pro 20.04 LTS 0.9.12-1ubuntu0.1+esm1
  • xrdp Ubuntu Pro 22.04 LTS 0.9.17-2ubuntu2+esm1

ubuntu advisories UBUNTU-CVE-2022-23613

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • xrdp openSUSE Tumbleweed 0.9.19-1.1

opensuse advisories openSUSE-SU-2024:12112-1

  • xrdp Alpine 3.24, Alpine 3.23, Alpine 3.22 +7 more 0.9.18.1-r0

alpine advisories ALPINE-CVE-2022-23613

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-23613 updated cvss 7.8

xrdp: an integer underflow leading to a heap overflow in the sesman server allows any unauthenticated attacker

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • neutrinolabs xrdp

Classification

Weakness
  • CWE-191 Integer Underflow (Wrap or Wraparound)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.