Description
A vulnerability was found in Open5GS up to 2.7.7. This affects the function amf_namf_comm_handle_registration_status_update_request in the library /lib/app/ogs-init.c of the file /namf-comm/v1/ue-contexts/{ueContextId}/transfer-update. Performing a manipulation of the argument ueContextId results in denial of service. The attack can be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
References (6)
Core 6
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-360352 | Open5GS transfer-update denial of service
https://vuldb.com/vuln/360352
Signature, Permissions Required signature
permissions-required
VDB-360352 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/360352/cti
Third Party Advisory third-party-advisory
Submit #804291 | Open5GS AMF V2.7.7 Denial of Service
https://vuldb.com/submit/804291
Third Party Advisory third-party-advisory
Submit #804303 | Open5GS AMF v2.7.7 Denial of Service (Duplicate)
https://vuldb.com/submit/804303
Exploit exploit
issue-tracking
https://github.com/open5gs/open5gs/issues/4399
Product product
https://github.com/open5gs/open5gs/
Scores
CVSS v3
4.3
EPSS
0.0030
EPSS Percentile
21.6%
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
poc
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 01, 2026
Tracked Since
May 01, 2026