Cyber Resilience

CVE-2021-44108

HighPublic PoC

Published: 05 April 2022

Published
05 April 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0056 68.8th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-44108 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Open5Gs Open5Gs. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 31.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.

CWE(s)

Related Threats

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

Affected Assets

open5gs
open5gs
≤ 2.3.6

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References