CVE-2026-44054
Received Received - Intake
Predictable Session Token in Netatalk

Publication date: 2026-05-21

Last updated on: 2026-05-21

Assigner: securin

Description
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.
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Meta Information
Published
2026-05-21
Last Modified
2026-05-21
Generated
2026-05-21
AI Q&A
2026-05-21
EPSS Evaluated
N/A
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
netatalk netatalk to 4.4.2 (inc)
netatalk netatalk 4.4.3
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-330 The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability exists in Netatalk versions 2.0.0 through 4.4.2 and involves a predictable afpd session token. This means that the token used to manage sessions in the Apple Filing Protocol daemon (afpd) can be guessed or predicted by an attacker. The issue was fixed in version 4.4.3.


How can this vulnerability impact me? :

Because the afpd session token is predictable, an attacker could potentially hijack or interfere with active sessions. According to the CVSS score (6.5) and vector, the vulnerability can be exploited remotely with low complexity and requires low privileges, but it does not impact confidentiality or integrity. However, it can cause a high impact on availability, meaning it could disrupt service or cause denial of service.


What immediate steps should I take to mitigate this vulnerability?

The vulnerability in Netatalk versions 2.0.0 through 4.4.2 is fixed in version 4.4.3. Immediate mitigation should include upgrading Netatalk to version 4.4.3 or later.


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