CVE-2022-23121

Name: CVE-2022-23121
Creator: NVD / NIST
Published: 2023-03-28T19:15:10.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 8.53%

Last modified Jun 17, 2026

CVE-2022-23121 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. EPSS estimates a 8.53% chance of exploitation in the next 30 days.

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parse_entries function. The issue results from the lack of proper error handling when parsing AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15819.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

8.53%

94.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Netatalk	Netatalk	< 3.1.13
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0

References

https://lists.debian.org/debian-lts-announce/2023/05/msg00018.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00000.htmlMailing List, Third Party Advisory
https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.htmlRelease Notes
https://security.gentoo.org/glsa/202311-02Issue Tracking, Third Party Advisory
https://www.debian.org/security/2023/dsa-5503Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-527/Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2023/05/msg00018.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00000.htmlMailing List, Third Party Advisory
https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.htmlRelease Notes
https://security.gentoo.org/glsa/202311-02Issue Tracking, Third Party Advisory
https://www.debian.org/security/2023/dsa-5503Third Party Advisory
https://www.kb.cert.org/vuls/id/709991
https://www.zerodayinitiative.com/advisories/ZDI-22-527/Third Party Advisory, VDB Entry

Timeline

Published: Mar 28, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23121?

How severe is CVE-2022-23121?

CVE-2022-23121 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 8.53% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23121?

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-2022-23121?

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

Scan your code now

Source: NVD / NIST