CVE-2025-15529

Name: CVE-2025-15529
Creator: NVD / NIST
Published: 2026-01-16T22:16:18.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2025-15529 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A vulnerability was found in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The patch is named b19cf6a2dbf5d30811be4488bf059c865bd7d1d2. To fix this issue, it is recommended to deploy a patch.

Metrics

CVSS 3.1

7.5/10

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

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

0.70%

48.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Open5gs	Open5gs	<= 2.7.6

References

https://github.com/open5gs/open5gs/
https://github.com/open5gs/open5gs/commit/b19cf6a2dbf5d30811be4488bf059c865bd7d1d2Patch
https://github.com/open5gs/open5gs/issues/4226Exploit, Issue Tracking, Vendor Advisory
https://github.com/open5gs/open5gs/issues/4226#issue-3769595366Exploit, Issue Tracking, Vendor Advisory
https://vuldb.com/?ctiid.341596Permissions Required, VDB Entry
https://vuldb.com/?id.341596Third Party Advisory, VDB Entry
https://vuldb.com/?submit.728130Third Party Advisory, VDB Entry
https://vuldb.com/?submit.738372

Timeline

Published: Jan 16, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-15529?

How severe is CVE-2025-15529?

CVE-2025-15529 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2025-15529?

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-2025-15529?

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

Scan your code now

Source: NVD / NIST