Vulnerability Description
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A world writable file allowed local users to execute arbitrary code as the user apache, leading to privilege escalation.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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-2021-43034?
CVE-2021-43034 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A world writable file allowed local users to execute arbitrary code as the user apache, leading to privilege escalation.
How severe is CVE-2021-43034?
CVE-2021-43034 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-2021-43034?
Check the references section above for vendor advisories and patch information. Affected products include: Kaseya Unitrends Backup.