CVE-2025-1925
Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of service
- State
- Published
- Severity
- 6.9 Medium
- Published
- Mar 4, 2025
- Updated
- Mar 4, 2025
- Reserved
- Mar 4, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-298513 | Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of servicevdb-entrytechnical-descriptionexploit
- VDB-298513 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #506038 | Open5GS <=v2.7.2 Denial of Servicethird-party-advisory
- https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20Service%20via%20PDU%20Session%20ID%20Conflictexploit
- https://github.com/open5gs/open5gs/pull/3711issue-tracking
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