CVEvulnerability
CVE-2021-43038
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-12-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-74
Description
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.
Affected configurations
• kaseya unitrends backup (>= 10.0 < 10.5.5)
Related
Weakness · CWE (1)
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness
References
- https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961 Vendor Advisory
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1 Exploit, Third Party Advisory
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2 Exploit, Third Party Advisory
- https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961 Vendor Advisory
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1 Exploit, Third Party Advisory
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2 Exploit, Third Party Advisory