CVE-2026-44474: falha de baixa gravidade em ellanetworks core
Ella Core: Handover failures during concurrent Security Mode Command
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8Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 3.7epss 0.1%
Ella Core is a 5G core designed for private networks. Prior to 1.10.0, Ella Core didn't enforce security rules on concurrent running of security procedures defined in TS 33.501 §6.9.5.1 — it could send a NAS Security Mode Command while an N2 handover was still pending (and vice versa). Concurrent Security Mode Command and N2 handover produce a KgNB mismatch between the UE and target gNB, causing the handover to fail. Requires a stalled gNB + re-registration race to trigger. This vulnerability is fixed in 1.10.0.
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
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