CVE-2025-8803
Open5GS AMF gmm-sm.c gmm_state_exception denial of service
Description
A vulnerability has been found in Open5GS up to 2.7.5. Affected is the function gmm_state_de_registered/gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to launch the attack remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 1f30edac27f69f61cff50162e980fe58fdeb30ca. It is recommended to upgrade the affected component.
INFO
Published Date :
Aug. 10, 2025, 10:15 a.m.
Last Modified :
Aug. 15, 2025, 5:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade Open5GS to version 2.7.6.
- Apply the patch 1f30edac27f69f61cff50162e980fe58fdeb30ca.
- Update the AMF component.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-8803.
| URL | Resource |
|---|---|
| https://github.com/ZHENGHAOHELLO/BugReport | |
| https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca | Patch |
| https://github.com/open5gs/open5gs/issues/3948 | Issue Tracking |
| https://github.com/open5gs/open5gs/issues/3948#issuecomment-3030223641 | Issue Tracking |
| https://github.com/open5gs/open5gs/releases/tag/v2.7.6 | Release Notes |
| https://vuldb.com/?ctiid.319332 | Permissions Required VDB Entry |
| https://vuldb.com/?id.319332 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.626123 | Third Party Advisory VDB Entry |
| https://github.com/open5gs/open5gs/issues/3948 | Issue Tracking |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-8803 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-8803
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-8803 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-8803 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Aug. 15, 2025
Action Type Old Value New Value Changed Description A vulnerability, which was classified as problematic, was found in Open5GS up to 2.7.5. Affected is the function gmm_state_de_registered/gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to launch the attack remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 1f30edac27f69f61cff50162e980fe58fdeb30ca. It is recommended to upgrade the affected component. A vulnerability has been found in Open5GS up to 2.7.5. Affected is the function gmm_state_de_registered/gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to launch the attack remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 1f30edac27f69f61cff50162e980fe58fdeb30ca. It is recommended to upgrade the affected component. Added Reference https://github.com/ZHENGHAOHELLO/BugReport -
Initial Analysis by [email protected]
Aug. 13, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.6 Added Reference Type VulDB: https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca Types: Patch Added Reference Type CISA-ADP: https://github.com/open5gs/open5gs/issues/3948 Types: Issue Tracking Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/3948 Types: Issue Tracking Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/3948#issuecomment-3030223641 Types: Issue Tracking Added Reference Type VulDB: https://github.com/open5gs/open5gs/releases/tag/v2.7.6 Types: Release Notes Added Reference Type VulDB: https://vuldb.com/?ctiid.319332 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.319332 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.626123 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 12, 2025
Action Type Old Value New Value Added Reference https://github.com/open5gs/open5gs/issues/3948 -
New CVE Received by [email protected]
Aug. 10, 2025
Action Type Old Value New Value Added Description A vulnerability, which was classified as problematic, was found in Open5GS up to 2.7.5. Affected is the function gmm_state_de_registered/gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to launch the attack remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 1f30edac27f69f61cff50162e980fe58fdeb30ca. It is recommended to upgrade the affected component. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CWE CWE-404 Added Reference https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca Added Reference https://github.com/open5gs/open5gs/issues/3948 Added Reference https://github.com/open5gs/open5gs/issues/3948#issuecomment-3030223641 Added Reference https://github.com/open5gs/open5gs/releases/tag/v2.7.6 Added Reference https://vuldb.com/?ctiid.319332 Added Reference https://vuldb.com/?id.319332 Added Reference https://vuldb.com/?submit.626123