CVE-2025-15176
Open5GS PFCP Session Establishment Request rule-match.c ogs_pfcp_pdr_rule_find_by_packet assertion
- State
- Published
- Severity
- 6.9 Medium
- Published
- Dec 29, 2025
- Updated
- Feb 24, 2026
- Reserved
- Dec 28, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-617 Reachable Assertion
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-338561 | Open5GS PFCP Session Establishment Request rule-match.c ogs_pfcp_pdr_rule_find_by_packet assertionvdb-entrytechnical-description
- VDB-338561 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #719830 | Open5GS v2.7.5 Reachable Assertionthird-party-advisory
- https://github.com/open5gs/open5gs/issues/4180issue-tracking
- https://github.com/open5gs/open5gs/issues/4180#issuecomment-3615555671issue-tracking
- https://github.com/open5gs/open5gs/issues/4180#issue-3666760066exploitissue-tracking
- https://github.com/open5gs/open5gs/commit/b72d8349980076e2c033c8324f07747a86eea4f8patch
- https://github.com/open5gs/open5gs/product
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