Description
A vulnerability has been found in Open5GS up to 2.7.6. Affected is an unknown function of the file src/amf/gmm-handler.c of the component AMF. The manipulation of the argument reg_type leads to denial of service. The attack is possible to be carried out remotely. Upgrading to version 2.7.7 is able to address this issue. The identifier of the patch is ebc66942b6f8f1fab2d640e71cf4e9f1a423b426. It is advisable to upgrade the affected component.
References (7)
Core 7
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-360558 | Open5GS AMF gmm-handler.c denial of service
https://vuldb.com/vuln/360558
Signature, Permissions Required signature
permissions-required
VDB-360558 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/360558/cti
Third Party Advisory third-party-advisory
Submit #805675 | Open5GS v.2.7.6 Denial of Service
https://vuldb.com/submit/805675
Issue Tracking issue-tracking
https://github.com/open5gs/open5gs/issues/4321
Product product
https://github.com/open5gs/open5gs/
Scores
CVSS v3
4.3
EPSS
0.0040
EPSS Percentile
31.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-404
Status
published
Products (8)
None/Open5GS
2.7.0
None/Open5GS
2.7.1
None/Open5GS
2.7.2
None/Open5GS
2.7.3
None/Open5GS
2.7.4
None/Open5GS
2.7.5
None/Open5GS
2.7.6
None/Open5GS
2.7.7
Published
May 02, 2026
Tracked Since
May 02, 2026