Vulnerability Details : CVE-2021-43038
Potential exploit
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.
Vulnerability category: Gain privilege
Products affected by CVE-2021-43038
- cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43038
0.92%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43038
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-43038
-
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43038
-
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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