Privilege Escalation Vulnerability in Kaseya Unitrends Backup Appliance
CVE-2021-43034

7.8HIGH

Key Information:

Vendor

Kaseya

Status
Unitrends Backup
Vendor
CVE Published:
6 December 2021

What is CVE-2021-43034?

A security issue was identified in Kaseya's Unitrends Backup Appliance prior to version 10.5.5, wherein a world-writable file permits local users to execute arbitrary code with apache user privileges. This could lead to unauthorized privilege escalation, potentially compromising sensitive data and system integrity. Organizations using affected versions should prioritize updates to mitigate potential 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:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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