CVE-2025-5520CWE-617

Open5GS AMF/MME emm_state_authentication assertion

Medium · published June 3, 2025

CVSS v4.0
6.9
EPSS
1%
Percentile
57.8
In the wild
Unconfirmed
What it is

A vulnerability was found in Open5GS up to 2.7.3. It has been classified as problematic. Affected is the function gmm_state_authentication/emm_state_authentication of the component AMF/MME. The manipulation leads to reachable assertion. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 9f5d133657850e6167231527514ee1364d37a884. It is recommended to apply a patch to fix this issue. This is a different issue than CVE-2025-1893.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
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
EPSS
0.00852 · 57.8th percentile
Weakness
CWE-617 · Reachable Assertion
Published
2025-06-03T18:00Z
EPSS history
Timeline
  • 03 JUN 18:00Z
    Open5GS AMF/MME emm_state_authentication assertion
    cvelistv5