Vulnerability Description
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The Unitrends Windows agent was vulnerable to DLL injection and binary planting due to insecure default permissions. This allowed privilege escalation from an unprivileged user to SYSTEM.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Kaseya | Unitrends Backup | >= 10.0, < 10.5.5 |
Related Weaknesses (CWE)
References
- https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961Vendor Advisory
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applianExploitThird Party Advisory
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applianExploitThird Party Advisory
- https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961Vendor Advisory
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applianExploitThird Party Advisory
- https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applianExploitThird Party Advisory
FAQ
What is CVE-2021-43037?
CVE-2021-43037 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The Unitrends Windows agent was vulnerable to DLL injection and binary planting due to insecure default permissions. This al...
How severe is CVE-2021-43037?
CVE-2021-43037 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43037?
Check the references section above for vendor advisories and patch information. Affected products include: Kaseya Unitrends Backup.