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CVE-2026-4240

MEDIUM

5.3

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.15.3

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/16/2026

Ultima modificacion3/20/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

open5gs:open5gs

Debilidades (CWE)

CWE-404

Referencias

https://github.com/open5gs/open5gs/(cna@vuldb.com)

https://github.com/open5gs/open5gs/commit/80eb484a6ab32968e755e628b70d1a9c64f012ec(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4343(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4343#issue-4021871895(cna@vuldb.com)

https://github.com/open5gs/open5gs/releases/tag/v2.7.7(cna@vuldb.com)

https://vuldb.com/?ctiid.351182(cna@vuldb.com)

https://vuldb.com/?id.351182(cna@vuldb.com)

https://vuldb.com/?submit.771361(cna@vuldb.com)

Correlaciones IOC

Sin correlaciones registradas

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