CVE-2025-15176
CVE-2025-15176 is a medium-severity vulnerability in Open5gs with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-617.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- CVSS v4: 5.5
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-205559
- Weakness: CWE-617
- Affected product: Open5gs
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-15176?
- 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.
- How severe is CVE-2025-15176?
- CVE-2025-15176 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2025-15176 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-15176?
- CVE-2025-15176 affects Open5gs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-15176?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-15176 have an EU (EUVD) identifier?
- Yes. CVE-2025-15176 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205559.
- When was CVE-2025-15176 published?
- CVE-2025-15176 was published on 2025-12-29 and last updated on 2026-06-17.
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/b72d8349980076e2c033c8324f07747a86eea4f8
- https://github.com/open5gs/open5gs/issues/4180
- https://github.com/open5gs/open5gs/issues/4180#issue-3666760066
- https://github.com/open5gs/open5gs/issues/4180#issuecomment-3615555671
- https://vuldb.com/?ctiid.338561
- https://vuldb.com/?id.338561
- https://vuldb.com/?submit.719830
Affected products (1)
- cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
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