Format String Vulnerability in Kaseya Unitrends Backup Appliance
CVE-2021-43041

8.8HIGH

Key Information:

Vendor

Kaseya

Status
Unitrends Backup
Vendor
CVE Published:
6 December 2021

What is CVE-2021-43041?

A format string vulnerability has been identified in the Kaseya Unitrends Backup Appliance preceding version 10.5.5. This issue allows an attacker to craft a malicious HTTP request, which can lead to potential arbitrary code execution or other unintended operations through the privileged vaultServer application. As a result, unauthorized users may exploit this vulnerability to manipulate the execution flow of the application, posing significant security risks.

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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...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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