High severity8.8NVD Advisory· Published Dec 6, 2021· Updated Jun 17, 2026
CVE-2021-43041
CVE-2021-43041
Description
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A crafted HTTP request could induce a format string vulnerability in the privileged vaultServer application.
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
News mentions
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