CVE-2026-4240
MEDIUM SEVERITYCVSS Score & Metrics
Base Score
5.3 / 10
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Description
A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smf_gx_cca_cb/smf_gy_cca_cb/smf_s6b_aaa_cb/smf_s6b_sta_cb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.7.7 is sufficient to fix this issue. Patch name: 80eb484a6ab32968e755e628b70d1a9c64f012ec. Upgrading the affected component is recommended.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-404
Source
NVD
Vendor
open5gs
Product
open5gs
External References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/80eb484a6ab32968e755e628b70d1a9c64f012ec
- https://github.com/open5gs/open5gs/issues/4343
- https://github.com/open5gs/open5gs/issues/4343#issue-4021871895
- https://github.com/open5gs/open5gs/releases/tag/v2.7.7
- https://vuldb.com/?ctiid.351182
- https://vuldb.com/?id.351182
- https://vuldb.com/?submit.771361
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