Vulnerability Details : CVE-2021-43043
Potential exploit
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The apache user could read arbitrary files such as /etc/shadow by abusing an insecure Sudo rule.
Products affected by CVE-2021-43043
- cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43043
0.49%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43043
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
References for CVE-2021-43043
-
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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