CVE-2025-44951
A missing length check in `ogs_pfcp_dev_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dev` field with a value with length greater than…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A missing length check in `ogs_pfcp_dev_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dev` field with a value with length greater than 32.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 0.21% probability · 11th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- open5gs/open5gs
- Source
- cve@mitre.org
References
- https://gist.github.com/scmdcs/6d878d6074f0e2f4a8fb69e9864068b7Exploit, Third Party Advisory
- https://github.com/open5gs/open5gs/commit/e3dd98cd291fba233a46adb2881213fc6e38b924
- https://github.com/open5gs/open5gs/issues/3775Exploit, Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.