Remote Code Execution Vulnerability in Kaseya Unitrends Backup Appliance
CVE-2021-43033

9.8CRITICAL

Key Information:

Vendor

Kaseya

Status
Unitrends Backup
Vendor
CVE Published:
6 December 2021

What is CVE-2021-43033?

Multiple functions in the bpserverd daemon of Kaseya Unitrends Backup Appliance versions prior to 10.5.5 are vulnerable to arbitrary remote code execution. This issue arises from untrusted input accepted by the server being improperly handled, allowing attackers to exploit this weakness and execute code with root privileges. Organizations using affected versions should prioritize updates to safeguard their systems from potential malicious activities.

References

https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961
https://www.cyberonesecurity.com/blog/exploiting-kaseya-u...
https://www.cyberonesecurity.com/blog/exploiting-kaseya-u...

EPSS Score

14% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.