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CVE-2026-7779
4.3 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): Low (L)
- Exploit Code Maturity (E): Proof-of-Concept (P)
- Remediation Level (RL): Not Defined (X)
- Report Confidence (RC): Reasonable (R)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): Low (L)
Activity log
- Created suggestion
Open5GS authentication-subscription Endpoint nudr-handler.c udm_nudr_dr_handle_subscription_authentication denial of service
A security flaw has been discovered in Open5GS up to 2.7.7. Affected is the function udm_nudr_dr_handle_subscription_authentication of the file /src/udm/nudr-handler.c of the component authentication-subscription Endpoint. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
References
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Submit #806249 | Open5gs UDM v2.7.7 Denial of Service third-party-advisory
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Affected products
Open5GS
- ==2.7.6
- ==2.7.0
- ==2.7.3
- ==2.7.4
- ==2.7.5
- ==2.7.7
- ==2.7.2
- ==2.7.1
Matching in nixpkgs
pkgs.open5gs
4G/5G core network components
Package maintainers
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@xddxdd Yuhui Xu <b980120@hotmail.com>
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@Bot-wxt1221 Bot-wxt1221 <3264117476@qq.com>