CVE-2021-35053 : Possible system denial of service in case of arbitrary changing Firefox browser

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.

Published 2021-11-03 20:15:08

Updated 2022-04-29 13:53:36

Source Kaspersky Labs

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2021-35053

Kaspersky » Endpoint Security
Versions from including (>=) 11.1.0 and up to, including, (<=) 11.6.0
cpe:2.3:a:kaspersky:endpoint_security:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-35053

EPSS FAQ

1.28%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 78 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-35053

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2021-35053

https://www.zerodayinitiative.com/advisories/ZDI-22-431/

ZDI-22-431 | Zero Day Initiative
Third Party Advisory;VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-1280/

ZDI-21-1280 | Zero Day Initiative
Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2021-35053

Products affected by CVE-2021-35053

Exploit prediction scoring system (EPSS) score for CVE-2021-35053

CVSS scores for CVE-2021-35053

References for CVE-2021-35053