CVE Vulnerability

CVE-2021-36809

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.

3.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

6 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:sophos:ssl_vpn_client:-:*:*:*:*:windows:*:*
Information

Published : 2022-03-08 12:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-36809

Mitre link : CVE-2021-36809

Products Affected
No products.
CWE
NVD-CWE-noinfo