CVE-2024-20509

MEDIUM

5.8

Description

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 hijack an AnyConnect VPN session or cause a denial of service (DoS) condition for individual users of the AnyConnect VPN service on an affected device. This vulnerability is due to weak entropy for handlers that are used during the VPN authentication process as well as a race condition that exists in the same process. An attacker could exploit this vulnerability by correctly guessing an authentication handler and then sending crafted HTTPS requests to an affected device. A successful exploit could allow the attacker to take over the AnyConnect VPN session from a target user or prevent the target user from establishing an AnyConnect VPN session with the affected device.

Details CVE

Score CVSS v3.15.8

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie10/2/2024

Derniere modification6/4/2025

Sourcenvd

Observations honeypot0

Produits affectes

cisco:meraki_mx100cisco:meraki_mx100_firmwarecisco:meraki_mx105cisco:meraki_mx105_firmwarecisco:meraki_mx250cisco:meraki_mx250_firmwarecisco:meraki_mx400cisco:meraki_mx400_firmwarecisco:meraki_mx450cisco:meraki_mx450_firmwarecisco:meraki_mx600cisco:meraki_mx600_firmwarecisco:meraki_mx64cisco:meraki_mx64_firmwarecisco:meraki_mx64wcisco:meraki_mx64w_firmwarecisco:meraki_mx65cisco:meraki_mx65_firmwarecisco:meraki_mx65wcisco:meraki_mx65w_firmwarecisco:meraki_mx67cisco:meraki_mx67_firmwarecisco:meraki_mx67ccisco:meraki_mx67c_firmwarecisco:meraki_mx67wcisco:meraki_mx67w_firmwarecisco:meraki_mx68cisco:meraki_mx68_firmwarecisco:meraki_mx68cwcisco:meraki_mx68cw_firmwarecisco:meraki_mx68wcisco:meraki_mx68w_firmwarecisco:meraki_mx75cisco:meraki_mx75_firmwarecisco:meraki_mx84cisco:meraki_mx84_firmwarecisco:meraki_mx85cisco:meraki_mx85_firmwarecisco:meraki_mx95cisco:meraki_mx95_firmwarecisco:meraki_vmxcisco:meraki_vmx_firmwarecisco:meraki_z3cisco:meraki_z3_firmwarecisco:meraki_z3ccisco:meraki_z3c_firmwarecisco:meraki_z4cisco:meraki_z4_firmwarecisco:meraki_z4ccisco:meraki_z4c_firmware

Faiblesses (CWE)

CWE-362CWE-362

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-meraki-mx-vpn-dos-by-QWUkqV7X(psirt@cisco.com)

Correlations IOC

Aucune correlation enregistree

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