CVE-2025-1925

MEDIUM

open5gs < 2.7.2 - Denial of Service via PDU Session ID Conflict

Title source: llm
STIX 2.1

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.

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
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