CVE-2021-35053

HIGH 7.5CVE-2021-35053 · Published 03/11/2021 · updated 17/06/2026

In short

CVE-2021-35053 is a HIGH (CVSS 7.5) vulnerability affecting endpoint security (kaspersky).
Chance of exploitation in the next 30 days (EPSS): 2.6%, higher than 85.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
endpoint security kaspersky	`≥ 11.1.0, ≤ 11.6.0`	No fix yet

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.

References

support.kaspersky.com/general/vulnerability.aspx · Broken Link
zerodayinitiative.com/advisories/ZDI-21-1280 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-431 · Third Party Advisory

More vulnerabilities in endpoint security

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free