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CVE-2026-4240

MEDIUM

5.3

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.3

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/16/2026

Ultima modificacao3/20/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

open5gs:open5gs

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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