CVE-2025-1925
MEDIUMopen5gs < 2.7.2 - Denial of Service via PDU Session ID Conflict
Title source: llmDescription
A vulnerability classified as problematic was found in Open5GS up to 2.7.2. Affected by this vulnerability is the function amf_nsmf_pdusession_handle_update_sm_context of the file src/amf/nsmf-handler.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. This vulnerability allows a single UE to crash the AMF, resulting in the complete loss of mobility and session management services and causing a network-wide outage. All registered UEs will lose connectivity, and new registrations will be blocked until the AMF is restarted, leading to a high availability impact. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
exploit
https://vuldb.com/?id.298513
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.298513
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.506038
Exploit, Third Party Advisory exploit
https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20Service%20via%20PDU%20Session%20ID%20Conflict
Issue Tracking, Vendor Advisory issue-tracking
https://github.com/open5gs/open5gs/pull/3711
Scores
CVSS v3
5.3
EPSS
0.0074
EPSS Percentile
49.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-404
Status
published
Products (1)
open5gs/open5gs
< 2.7.2
Published
Mar 04, 2025
Tracked Since
Feb 18, 2026