Vulnerability Details : CVE-2021-43037
Potential exploit
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.
Vulnerability category: Gain privilege
Products affected by CVE-2021-43037
- cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43037
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43037
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-43037
-
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43037
-
https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1
Exploiting Kaseya Unitrends Backup Appliance – Part 1 - CyberOne SecurityExploit;Third Party Advisory
-
https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961
Security checkVendor Advisory
-
https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2
Exploiting Kaseya Unitrends Backup Appliance – Part 2 - CyberOne SecurityExploit;Third Party Advisory
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