CVE-2026-4531

MEDIUM EPSS 34.2%
Published Mar 22, 20263mo ago · Modified Jun 17, 20261w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Mar 22, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to denial of service. The attack may be performed from remote. This patch is called 52e9386401ce56ea773c5aa587d4cdf7d53da799. It is best practice to apply a patch to resolve this issue.

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
34.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-404

References 7

  • github.com https://github.com/free5gc/amf/commit/52e9386401ce56ea773c5aa587d4cdf7d53da799
  • github.com https://github.com/free5gc/amf/pull/198
  • github.com https://github.com/free5gc/free5gc/
  • github.com https://github.com/free5gc/free5gc/issues/792
  • vuldb.com https://vuldb.com/?ctiid.352319
  • vuldb.com https://vuldb.com/?id.352319
  • vuldb.com https://vuldb.com/?submit.774073

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.