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Tracker / CVE-2024-20513

CVE-2024-20513

Media 5.8

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a DoS condition for targeted users of the AnyConnect service on an affected device. This vulnerability is due to insufficient entropy for handlers that are used during SSL VPN session establishment. An unauthenticated attacker could exploit this vulnerability by brute forcing valid session handlers. An authenticated attacker could exploit this vulnerability by connecting to the AnyConnect VPN service of an affected device to retrieve a valid session handler and, based on that handler, predict further valid session handlers. The attacker would then send a crafted HTTPS request using the brute-forced or predicted session handler to the AnyConnect VPN server of the device. A successful exploit could allow the attacker to terminate targeted SSL VPN sessions, forcing remote users to initiate new VPN connections and reauthenticate.

Prodotti e versioni affette

cisco meraki_mx100_firmware · 16.2 → 18.211.2
cisco meraki_mx105_firmware · 16.2 → 18.211.2
cisco meraki_mx250_firmware · 16.2 → 18.211.2
cisco meraki_mx400_firmware · 16.2 → 18.211.2
cisco meraki_mx450_firmware · 16.2 → 18.211.2
cisco meraki_mx600_firmware · 16.2 → 18.211.2
cisco meraki_mx64_firmware · 17.6.0 → 18.211.2
cisco meraki_mx64w_firmware · 16.2 → 18.211.2
cisco meraki_mx65_firmware · 17.6.0 → 18.211.2
cisco meraki_mx65w_firmware · 16.2 → 18.211.2
cisco meraki_mx67_firmware · 16.2 → 18.211.2
cisco meraki_mx67c_firmware · 16.2 → 18.211.2
cisco meraki_mx67w_firmware · 16.2 → 18.211.2
cisco meraki_mx68_firmware · 16.2 → 18.211.2
cisco meraki_mx68cw_firmware · 16.2 → 18.211.2
cisco meraki_mx68w_firmware · 16.2 → 18.211.2
cisco meraki_mx75_firmware · 16.2 → 18.211.2
cisco meraki_mx84_firmware · 16.2 → 18.211.2
cisco meraki_mx85_firmware · 16.2 → 18.211.2
cisco meraki_mx95_firmware · 16.2 → 18.211.2
cisco meraki_vmx_firmware · 16.2 → 18.211.2
cisco meraki_z3_firmware · 16.2 → 18.211.2
cisco meraki_z3c_firmware · 16.2 → 18.211.2
cisco meraki_z4_firmware · 16.2 → 18.211.2
cisco meraki_z4c_firmware · 16.2 → 18.211.2

Analisi

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Riferimenti