CVE-2021-43043

moderate-risk
Published 2021-12-06

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.

Do I need to act?

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0.39% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Kaseya

References (6)

Vendor Advisory https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961
Exploit https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applian...
Exploit https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applian...
Vendor Advisory https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961
Exploit https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applian...
Exploit https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-applian...
30
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal