CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NCVE-2021-43039
Medium (6.5) in kaseya unitrends backup. EPSS 1.3% chance of exploitation in the next 30 days.
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The Samba file sharing service allowed anonymous read/write access.
Severity
- EPSS
- 1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
- 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