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No exploitation reportedFix available

CVE-2021-44108

No exploitation reported by the sources we read.

  • Published2022-04-05
  • WeaknessCWE-476

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2022-04-0502:15CVE publishedNVD

Versions per branch

NVD
Open5gs
BranchAffectedFixed in
2.3≤ 2.3.6no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2022-04-05
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-w96w-f34f-w457

Frequently asked questions

What is CVE-2021-44108?

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.

Is CVE-2021-44108 actively exploited?

Active exploitation of CVE-2021-44108 has not been confirmed. Its EPSS score was 1.5% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-44108?

CVE-2021-44108 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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