CVE-2021-43033

Published: Dec 6, 2021Modified: Nov 21, 2024

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. Multiple functions in the bpserverd daemon were vulnerable to arbitrary remote code execution as root. The vulnerability was caused by untrusted input (received by the server) being passed to system calls.

Affected (1)

Products: Kaseya: Unitrends Backup

1 product

Unitrends Backup

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Kaseya Unitrends Backup	From 10.0 to 10.5.5

Related CWEs

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (6)

https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961

Source: cve@mitre.org

Vendor Advisory

https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1

Source: cve@mitre.org

ExploitThird Party Advisory

https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2

Source: cve@mitre.org

ExploitThird Party Advisory

https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

No history available yet.