CVE-2025-15531

Name: CVE-2025-15531
Creator: NVD / NIST
Published: 2026-01-17T16:16:05.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2025-15531 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A vulnerability was identified in Open5GS up to 2.7.5. This vulnerability affects the function sgwc_bearer_add of the file src/sgwc/context.c. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

A vulnerability was identified in Open5GS up to 2.7.5. This vulnerability affects the function sgwc_bearer_add of the file src/sgwc/context.c. The manipulation leads to reachable assertion. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The issue report is flagged as already-fixed.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS 4.0

5.5/10

CVSS:4.0/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

EPSS Probability

0.72%

49.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions
Open5gs	Open5gs	<= 2.7.5

References

https://github.com/open5gs/open5gs/
https://github.com/open5gs/open5gs/issues/4233Exploit, Issue Tracking, Vendor Advisory
https://github.com/open5gs/open5gs/issues/4233#issue-3776216182Exploit, Issue Tracking, Vendor Advisory
https://vuldb.com/?ctiid.341598Permissions Required, VDB Entry
https://vuldb.com/?id.341598Third Party Advisory, VDB Entry
https://vuldb.com/?submit.729339Third Party Advisory, VDB Entry

Timeline

Published: Jan 17, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-15531?

How severe is CVE-2025-15531?

CVE-2025-15531 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2025-15531?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-15531?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST