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CVE-2026-4240

MEDIUM

5.3

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung5.3

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht3/16/2026

Zuletzt geandert3/20/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

open5gs:open5gs

Schwachen (CWE)

CWE-404

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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