Cyber Resilience

CVE-2025-44952

HighPublic PoC

Published: 18 June 2025

Published
18 June 2025
Modified
09 July 2025
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0011 28.5th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-44952 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Open5Gs Open5Gs. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 28.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A missing length check in `ogs_pfcp_subnet_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dnn` field with a value with length…

more

greater than 101.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

open5gs
open5gs
≤ 2.7.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References