What is CVE-2025-29339?

CVE-2025-29339 is a high-severity vulnerability in Open5gs, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2025-04-22.

How severe is CVE-2025-29339?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Open5gs

CVE-2025-29339

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.

EPSS: 0.004 (34.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Open5gs
N/a — versions n/a

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

cve@mitre.org (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2025-29339?: CVE-2025-29339 is a high-severity vulnerability in Open5gs, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2025-04-22.
How severe is CVE-2025-29339?: High severity. CVSS v3 base score is 7.5 out of 10.