CVE-2026-44072
Netatalk Remote Code Execution via system() After Failed chdir
Publication date: 2026-05-21
Last updated on: 2026-05-21
Assigner: securin
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| netatalk | netatalk | From 2.2.1 (inc) to 4.4.2 (inc) |
| netatalk | netatalk | 4.5.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in Netatalk versions 2.2.1 through 4.4.2 and involves the use of the system() function after a failed chdir() call.
It was fixed in version 4.5.0.
How can this vulnerability impact me? :
The vulnerability has a CVSS v3.1 base score of 3.0, indicating a low severity.
It requires local access (AV:L), high attack complexity (AC:H), and high privileges (PR:H) with no user interaction (UI:N).
The impact includes no confidentiality loss (C:N), low integrity impact (I:L), and low availability impact (A:L).
What immediate steps should I take to mitigate this vulnerability?
The vulnerability is fixed in Netatalk version 4.5.0. To mitigate this vulnerability, you should upgrade your Netatalk installation to version 4.5.0 or later.