CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-43038
High (8.8) in kaseya unitrends backup. EPSS 2.3% chance of exploitation in the next 30 days.
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The wguest account could execute commands by injecting into PostgreSQL trigger functions. This allowed privilege escalation from the wguest user to the postgres user.
Severity
- EPSS
- 2.3% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-11-01)
- CWE
- CWE-74
- Published
- Modified
- Record from
- the NVD, synced
Affected
- kaseya:unitrends_backup
References
- 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