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CVE-2025-29339

Good to know:

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Date: April 21, 2025

An issue in UPF in Open5GS UPF versions up to v2.7.2 results an assertion failure vulnerability in PFCP session parameter validation. When processing a PFCP Session Establishment Request with PDN Type=0, the UPF fails to handle the invalid value propagated from SMF (or via direct attack), triggering a fatal assertion check and causing a daemon crash.

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-29339
https://github.com/open5gs/open5gs/issues/3727
https://www.mend.io/vulnerability-database/CVE-2025-29339

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

Top Fix

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Upgrade Version

Upgrade to version https://github.com/open5gs/open5gs.git - v2.7.5

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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