VulnerabilityAnalyzed
CVE-2025-29646
An issue in upf in open5gs 2.7.2 and earlier allows a remote attacker to cause a Denial of Service via a crafted PFCP SessionEstablishmentRequest packet with restoration indication = true and (teid = 0 or teid >= ogs_pfcp_pdr_teid_pool.size).
HIGH 7.1EPSS 0.31%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue in upf in open5gs 2.7.2 and earlier allows a remote attacker to cause a Denial of Service via a crafted PFCP SessionEstablishmentRequest packet with restoration indication = true and (teid = 0 or teid >= ogs_pfcp_pdr_teid_pool.size).
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
- EPSS
- 0.31% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- open5gs/open5gs
- Source
- cve@mitre.org
References
- https://gist.github.com/scmdcs/581fa485f957239ea5551daa173d0189Exploit, Third Party Advisory
- https://github.com/open5gs/open5gs/issues/3747Exploit, Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.