Critical severity9.8NVD Advisory· Published Dec 6, 2021· Updated Jun 17, 2026
CVE-2021-43035
CVE-2021-43035
Description
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. Two unauthenticated SQL injection vulnerabilities were discovered, allowing arbitrary SQL queries to be injected and executed under the postgres superuser account. Remote code execution was possible, leading to full access to the postgres user account.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*range: >=10.0,<10.5.5
- (no CPE)range: <10.5.5
- Kaseya/Unitrends Backup Appliancedescription
Patches
Vulnerability mechanics
References
3- www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1nvdExploitThird Party Advisory
- www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2nvdExploitThird Party Advisory
- helpdesk.kaseya.com/hc/en-gb/articles/4412762258961nvdVendor Advisory
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