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Open5gs CVE-2025-5520

| EUVDEUVD-2025-16763 MEDIUM
Reachable Assertion (CWE-617)
2025-06-03 cna@vuldb.com
Denial Of Service Debian Open5gs
5.3
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

5
EUVD ID Assigned
Mar 14, 2026 - 17:04 euvd
EUVD-2025-16763
Analysis Generated
Mar 14, 2026 - 17:04 vuln.today
Patch released
Mar 14, 2026 - 17:04 nvd
Patch available
PoC Detected
Jun 09, 2025 - 15:13 vuln.today
Public exploit code
CVE Published
Jun 03, 2025 - 18:15 nvd
MEDIUM 5.3

DescriptionCVE.org

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.

Analysis

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.

Technical ContextAI

This vulnerability is classified as Reachable Assertion (CWE-617).

RemediationAI

A vendor patch is available. Apply it as soon as possible and verify the fix.

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Same weakness CWE-617 – Reachable Assertion

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Same technique Denial Of Service

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Vendor StatusVendor

Debian

Bug #1094791
open5gs
Release Status Fixed Version Urgency
open - -

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CVE-2025-5520 vulnerability details – vuln.today
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