CVE-2026-20212: falha crítica em Cisco NX-OS Software
Cisco Nexus 3000 and 9000 Series Switches Silicon One Hardware Abstraction Layer Remote Code Execution Vulnerability
Publicada em · Atualizada em
48Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 9.8epss 0.7%
da publicação à arma1 dias
Publicada no NVD2 de set.
1ª PoC+1d
probabilidade de exploração
0.7%top 47% das CVEs
exploração observada
nãonenhuma fonte reporta
1 exploit(s) público(s)
A vulnerability in the Silicon One integration for Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute code with root privileges.
This vulnerability exists because TCP ports 43210 and 43211 are accessible in the default Layer 3 (L3) virtual routing and forwarding (VRF). A successful exploit could allow the attacker to connect to an affected device and send crafted input that could be executed as code with root privileges. The exploitation of this vulnerability could also cause the S1HAL process to crash, which could cause the device to reload.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Cisco · Cisco NX-OS SoftwarePoCs públicas encontradas — 1
githubgithub.com/HORKimhab/CVE-2026-20212★ 1⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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