What is the CVSS score of CVE-2025-55904?

CVE-2025-55904 has a CVSS 3.1 base score of 4.0 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.1%.

Which versions of Open5gs are affected by CVE-2025-55904?

CVE-2025-55904 presents moderate security risk, a null pointer dereference vulnerability rated CVSS 4.0. Exploitation could compromise the security of affected deployments.. A patch is available.

Is there a public PoC exploit available for CVE-2025-55904?

Yes, a public proof-of-concept exploit is available for CVE-2025-55904. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-55904?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Open5gs CVE-2025-55904

MEDIUM

NULL Pointer Dereference (CWE-476)

2025-09-17 cve@mitre.org

Denial Of Service Null Pointer Dereference Open5gs

4.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.0 MEDIUM

AV:L/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:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:12 vuln.today

Patch released

Mar 28, 2026 - 19:12 nvd

Patch available

PoC Detected

Sep 23, 2025 - 15:45 vuln.today

Public exploit code

CVE Published

Sep 17, 2025 - 14:15 nvd

MEDIUM 4.0

DescriptionCVE.org

Open5GS v2.7.5, prior to commit 67ba7f92bbd7a378954895d96d9d7b05d5b64615, is vulnerable to a NULL pointer dereference when a multipart/related HTTP POST request with an empty HTTP body is sent to the SBI of either AMF, AUSF, BSF, NRF, NSSF, PCF, SMF, UDM, or UDR, resulting in a denial of service. This occurs in the parse_multipart function in lib/sbi/message.c.

AnalysisAI

Open5GS v2.7.5, prior to commit 67ba7f92bbd7a378954895d96d9d7b05d5b64615, is vulnerable to a NULL pointer dereference when a multipart/related HTTP POST request with an empty HTTP body is sent to the. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. Open5GS v2.7.5, prior to commit 67ba7f92bbd7a378954895d96d9d7b05d5b64615, is vulnerable to a NULL pointer dereference when a multipart/related HTTP POST request with an empty HTTP body is sent to the SBI of either AMF, AUSF, BSF, NRF, NSSF, PCF, SMF, UDM, or UDR, resulting in a denial of service. This occurs in the parse_multipart function in lib/sbi/message.c. Affected products include: Open5Gs.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.