critical9.8
CVE-2021-43033
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5.
Impact
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. Multiple functions in the bpserverd daemon were vulnerable to arbitrary remote code execution as root. The vulnerability was caused by untrusted input (received by the server) being passed to system calls.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Kaseya | Unitrends Backup | from 10.0 before 10.5.5 |
Weakness classification
References
- NVD record
- CVE.org record
- https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2
- https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2