synced 11 MIN AGO
01 Record

CVE-2021-35053

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

UnratedPUBLISHEDCNA: Kaspersky
CNA base scoreUnratedNo CNA CVSS vector
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02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.60% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 85.2% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-11-03 19:11Z4 YR AGO
Last updated
2024-08-04 00:33Z2 YR AGO
Reserved
2021-06-18
Assigning CNA
Kaspersky
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
d0b0781a35c3ae4bd4be617526abc97d5013b689ee8b94809f5ee46b4baf03d7

05 Affected products

VendorProductVersionsPlatforms
n/aKaspersky Endpoint Security for WindowsKES versions from 11.1 to 11.6 (inclusively)—

06 References