CVE-2021-43039

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The Samba file sharing service allowed anonymous read/write access.

CVSS v3.1

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v2.0

6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:P/A:N

EPSS

1.22% chance of exploitation in the next 30 days, 66th percentile

Published

2021-12-06

Updated

2024-08-04

Proof-of-concept exploits (2)

• https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1
• https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2

References

• CVE Record
• NVD entry

Related

• CVE-2021-43038
• CVE-2021-43040
• CVE-2021-43037
• CVE-2021-43041
• CVE-2021-43036
• CVE-2021-43042