A security flaw has been discovered in Open5GS up to 2.7.5. This issue affects some unknown processing of the component Timer Handler. The manipulation results in resource consumption. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The patch is identified as c7c131f8d2cb1195ada5e0e691b6868ebcd8a845. It is best practice to apply a patch to resolve this issue.
https://vuldb.com/?submit.729357
https://vuldb.com/?submit.729354
https://vuldb.com/?ctiid.341599
https://github.com/open5gs/open5gs/issues/4221
https://github.com/open5gs/open5gs/issues/4220#issue-3766066853
https://github.com/open5gs/open5gs/issues/4220
https://github.com/open5gs/open5gs/commit/c7c131f8d2cb1195ada5e0e691b6868ebcd8a845
Published: 2026-01-17
Updated: 2026-01-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Severity: Medium
Base Score: 6.9
Vector: 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
Severity: Medium