Vulnerability · Published Nov 3, 2021 · Assigned by Kaspersky
CVE-2021-35053
High 7.5
In plain English
A high-severity security flaw in Kaspersky Endpoint Security for Windows. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 85% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.6%top 14.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Kaspersky Endpoint Security for Windows | KES versions from 11.1 to 11.6 (inclusively) |
References
- https://support.kaspersky.com/general/vulnerability.aspx?el=12430#01112021 x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-21-1280/ x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-431/ x_refsource_MISC