High severity · published Nov 3, 2021
CVE-2021-35053
Possible system denial of service in case of arbitrary changing Firefox browser parameters
7.5
CVSS
2.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Endpoint Security · Kaspersky
11.1.0 through 11.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35053
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35053
Broken Link
https://support.kaspersky.com/general/vulnerability.aspx?el=12430#01112021
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1280/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-431/
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