CVE-2021-35053 Denial of service in Kaspersky Endpoint Security for Windows
An attacker can modify Firefox parameters to render the system unbootable, causing a denial of service on systems running Kaspersky Endpoint Security.
- 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-2021-35053?
CVE-2021-35053 is a high-severity denial of service vulnerability in Kaspersky Endpoint Security for Windows, published on 3 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Possible system denial of service in case of arbitrary changing Firefox browser parameters. An attacker could change specific Firefox browser parameters file in a certain way and then reboot the system to make the system unbootable.
Which versions are affected by CVE-2021-35053?
It affects 1 product.
Products include Kaspersky Endpoint Security.
How do I fix CVE-2021-35053?
No fix has been published for CVE-2021-35053 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-35053 being exploited?
There is no known exploitation of CVE-2021-35053 in the wild and no public exploit code.
Other vulnerabilities in Kaspersky Endpoint Security for Windows
Sources
Also known as GHSA-cc54-3ghq-hp7j.