CVE-2021-43043 Privilege escalation in n/a

Medium 6.5 Published Updated

An attacker with apache user access can escalate privileges to read sensitive files like /etc/shadow due to an insecure Sudo rule in Kaseya Unitrends Backup Appliance.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-43043?

CVE-2021-43043 is a medium-severity vulnerability in n/a, published on 6 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2021-43043?

It affects 1 product.

Products include Kaseya Unitrends Backup.

How do I fix CVE-2021-43043?

No fix has been published for CVE-2021-43043 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-43043 being exploited?

There is no known exploitation of CVE-2021-43043 in the wild and no public exploit code.

Sources

Also known as GHSA-xhh9-3g8r-qgcp.

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