CVE-2021-36809 Information

Description

A local attacker can overwrite arbitrary files on the system with VPN client logs using administrator privileges potentially resulting in a denial of service and data loss in all versions of Sophos SSL VPN client.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Reference

https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.0