CVE-2020-3220
Cisco IOS XE Software IPsec VPN Denial of Service Vulnerability
Vexday Risk Score
13Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS 6.8EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Ciclo de vida
03 jun 2020Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The vulnerability is due to insufficient verification of authenticity of received Encapsulating Security Payload (ESP) packets. An attacker could exploit this vulnerability by tampering with ESP cleartext values as a man-in-the-middle.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Produtos afetados
Cisco · Cisco IOS XE Software 16.4.1Quer saber se a sua infraestrutura está exposta a isto?
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