CVE-2025-15176

MEDIUM

open5gs < 2.7.5 - Reachable Assertion in PFCP Session Establishment Request Handler

Title source: llm
STIX 2.1

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.

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.338561
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.338561
Exploit, Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.719830
Exploit, Issue Tracking issue-tracking
https://github.com/open5gs/open5gs/issues/4180
Exploit, Issue Tracking exploit issue-tracking
https://github.com/open5gs/open5gs/issues/4180#issue-3666760066
Various Sources product
https://github.com/open5gs/open5gs/

Scores

CVSS v3 5.3
EPSS 0.0053
EPSS Percentile 40.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-617
Status published
Products (1)
open5gs/open5gs < 2.7.5
Published Dec 29, 2025
Tracked Since Feb 18, 2026