CVE-2021-43040 Privilege escalation in n/a
Attackers can exploit the privileged vaultServer to create arbitrary writable files, resulting in privilege escalation on Kaseya Unitrends Backup Appliances.
- 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-2021-43040?
CVE-2021-43040 is a high-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 privileged vaultServer could be leveraged to create arbitrary writable files, leading to privilege escalation.
Which versions are affected by CVE-2021-43040?
It affects 1 product.
Products include Kaseya Unitrends Backup.
How do I fix CVE-2021-43040?
No fix has been published for CVE-2021-43040 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-43040 being exploited?
There is no known exploitation of CVE-2021-43040 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-4r5f-vh76-jqxp.