CVE-2022-20933
Estado: ModificadaAlta (8.6)—
A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z3 Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of client-supplied parameters while establishing an SSL VPN session. An attacker could exploit this vulnerability by crafting a malicious request and sending it to the affected device.
Leer descripción completaMostrar menos
A successful exploit could allow the attacker to cause the Cisco AnyConnect VPN server to crash and restart, resulting in the failure of the established SSL VPN connections and forcing remote users to initiate a new VPN connection and re-authenticate. A sustained attack could prevent new SSL VPN connections from being established. Note: When the attack traffic stops, the Cisco AnyConnect VPN server recovers gracefully without requiring manual intervention. Cisco Meraki has released software updates that address this vulnerability.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Puntuación base: 8.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.05%
- Percentil entre todas las CVEs puntuadas: 63
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (23)
Cisco — Meraki Mx100 FirmwareCisco — Meraki Mx105 FirmwareCisco — Meraki Mx250 FirmwareCisco — Meraki Mx400 FirmwareCisco — Meraki Mx450 FirmwareCisco — Meraki Mx600 FirmwareCisco — Meraki Mx64 FirmwareCisco — Meraki Mx64w FirmwareCisco — Meraki Mx65 FirmwareCisco — Meraki Mx65w FirmwareCisco — Meraki Mx67 FirmwareCisco — Meraki Mx67cw FirmwareCisco — Meraki Mx67w FirmwareCisco — Meraki Mx68 FirmwareCisco — Meraki Mx68cw FirmwareCisco — Meraki Mx68w FirmwareCisco — Meraki Mx75 FirmwareCisco — Meraki Mx84 FirmwareCisco — Meraki Mx85 FirmwareCisco — Meraki Mx95 FirmwareCisco — Meraki VMX FirmwareCisco — Meraki Z3 FirmwareCisco — Meraki Z3C Firmware
CWE
- CWE-234
- NVD-CWE-Other
Referencias
JSON original (NVD)
Mostrar
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