Privilege Escalation Vulnerability in Kaseya Unitrends Backup Appliance
CVE-2021-43038
8.8HIGH
What is CVE-2021-43038?
A vulnerability exists in Kaseya's Unitrends Backup Appliance prior to version 10.5.5, where the 'wguest' user account can exploit PostgreSQL trigger functions. This allows the execution of arbitrary commands, enabling attackers to elevate their privileges from the limited 'wguest' user to the more powerful 'postgres' user. This type of flaw poses significant risks as it can give unauthorized users access to critical data and system controls.
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References
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