CVE-2021-43033 Command injection in n/a
Remote attackers can execute arbitrary code as root on Kaseya Unitrends Backup Appliances due to untrusted input passed to system calls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43033?
CVE-2021-43033 is a critical command injection vulnerability in n/a, published on 6 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. Multiple functions in the bpserverd daemon were vulnerable to arbitrary remote code execution as root. The vulnerability was caused by untrusted input (received by the server) being passed to system calls.
Weakness: CWE-78
Which versions are affected by CVE-2021-43033?
It affects 1 product.
Products include Kaseya Unitrends Backup.
How do I fix CVE-2021-43033?
No fix has been published for CVE-2021-43033 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-43033 being exploited?
There is no known exploitation of CVE-2021-43033 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fw55-5674-qwvm.