CVE-2025-15176

Name: CVE-2025-15176
Creator: NVD / NIST
Published: 2025-12-29T07:15:54.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2025-15176 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A flaw has been found in Open5GS up to 2.7.5. This affects the function decode_ipv6_header/ogs_pfcp_pdr_rule_find_by_packet of the file lib/pfcp/rule-match.c of the component PFCP Session Establishment Request Handler. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

A flaw has been found in Open5GS up to 2.7.5. This affects the function decode_ipv6_header/ogs_pfcp_pdr_rule_find_by_packet of the file lib/pfcp/rule-match.c of the component PFCP Session Establishment Request Handler. Executing a manipulation can lead to reachable assertion. It is possible to launch the attack remotely. The exploit has been published and may be used. This patch is called b72d8349980076e2c033c8324f07747a86eea4f8. Applying a patch is advised to resolve this issue.

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

0.53%

40.8th 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/commit/b72d8349980076e2c033c8324f07747a86eea4f8Patch
https://github.com/open5gs/open5gs/issues/4180Exploit, Issue Tracking
https://github.com/open5gs/open5gs/issues/4180#issue-3666760066Exploit, Issue Tracking
https://github.com/open5gs/open5gs/issues/4180#issuecomment-3615555671Exploit, Issue Tracking
https://vuldb.com/?ctiid.338561Permissions Required, VDB Entry
https://vuldb.com/?id.338561Third Party Advisory, VDB Entry
https://vuldb.com/?submit.719830Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Dec 29, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-15176?

How severe is CVE-2025-15176?

CVE-2025-15176 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2025-15176?

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-2025-15176?

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

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Source: NVD / NIST