SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

MEDIUM 6.0EPSS 0.23%

Does this matter?

Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.

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 3.1
6.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
EPSS
0.23% probability · 14th percentile
CISA KEV
Not listed
Affected
sophos/ssl vpn client
Source
security-alert@sophos.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.