CVE-2021-43038

moderate-risk
Published 2021-12-06

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.

Do I need to act?

~
2.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Kaseya

References (6)

Vendor Advisory https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961
Exploit https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applian...
Exploit https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applian...
Vendor Advisory https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961
Exploit https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applian...
Exploit https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applian...
40
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 5/34 · Minimal
Exposure 5/34 · Minimal