7.5
HIGH CVSS 3.1
CVE-2025-8803
Open5GS Denial of Service Vulnerability
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 !
Affected Products

The following products are affected by CVE-2025-8803 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Open5gs open5gs
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
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 resolve a denial of service vulnerability in the AMF component.
  • 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
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.9
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact