Description
An issue in Open5GS v2.7.2 and before allows a remote attacker to cause a denial of service via a crafted Create Session Request message to the SMF (PGW-C), using the IP address of a legitimate UE in the PDN Address Allocation (PAA) field
Affected products
open5gs: open5gs
References3
- github.com/open5gs/open5gs/discussions/3919 ExploitIssue Tracking
- github.com/open5gs/open5gs/discussions/3919 ExploitIssue Tracking
- github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-52322 Third Party Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 46 · as of 8 November 2026
- CWE
- CWE-400
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.