7.5
HIGH CVSS 3.1
CVE-2025-8804
Open5GS AMF Remote Assertion Vulnerability
Description

A vulnerability was found in Open5GS up to 2.7.5. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component.

INFO

Published Date :

Aug. 10, 2025, 10:15 a.m.

Last Modified :

Aug. 15, 2025, 2:15 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-8804 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
Update Open5GS to resolve a reachable assertion vulnerability in the AMF component.
  • Upgrade Open5GS to version 2.7.6 or later.
  • Update the AMF component to the latest version.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-8804 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-2025-8804 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-2025-8804 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-8804 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 has been found in Open5GS up to 2.7.5 and classified as problematic. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component. A vulnerability was found in Open5GS up to 2.7.5. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component.
    Added Reference https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8804
    Added Reference https://vuldb.com/?submit.625698
  • 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/bca0a7b6e01d254f4223b83831162566d4626428 Types: Patch
    Added Reference Type CISA-ADP: https://github.com/open5gs/open5gs/issues/3950 Types: Issue Tracking
    Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/3950 Types: Issue Tracking
    Added Reference Type VulDB: https://github.com/open5gs/open5gs/issues/3950#issuecomment-3034693457 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://github.com/user-attachments/files/21030801/newdata_for_ngap.zip Types: Exploit
    Added Reference Type VulDB: https://vuldb.com/?ctiid.319333 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.319333 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.626124 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/3950
  • New CVE Received by [email protected]

    Aug. 10, 2025

    Action Type Old Value New Value
    Added Description A vulnerability has been found in Open5GS up to 2.7.5 and classified as problematic. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. 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:P/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-617
    Added Reference https://github.com/open5gs/open5gs/commit/bca0a7b6e01d254f4223b83831162566d4626428
    Added Reference https://github.com/open5gs/open5gs/issues/3950
    Added Reference https://github.com/open5gs/open5gs/issues/3950#issuecomment-3034693457
    Added Reference https://github.com/open5gs/open5gs/releases/tag/v2.7.6
    Added Reference https://github.com/user-attachments/files/21030801/newdata_for_ngap.zip
    Added Reference https://vuldb.com/?ctiid.319333
    Added Reference https://vuldb.com/?id.319333
    Added Reference https://vuldb.com/?submit.626124
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: 5.5
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