CVE-2021-35053

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.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.28% Top 25%

Third-Party Advisory zerodayinitiative.com Third-Party Advisory zerodayinitiative.com

Affected: n/a Kaspersky Endpoint Security for Windows

References

Link	Tags
https://support.kaspersky.com/general/vulnerability.aspx?el=12430#01112021	broken link
https://www.zerodayinitiative.com/advisories/ZDI-21-1280/	vdb entry third party advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-431/	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-35053?: CVE-2021-35053 has been scored as a high severity vulnerability.
How to fix CVE-2021-35053?: To fix CVE-2021-35053, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-35053 being actively exploited in the wild?: It is possible that CVE-2021-35053 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-35053?: CVE-2021-35053 affects n/a Kaspersky Endpoint Security for Windows.

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