Possible system denial of service in case of arbitrary changing Firefox browser…
Priority LOW 38Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.02601 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Kaspersky Endpoint Security for Windows | KES versions from 11.1 to 11.6 (inclusively) | — | No fix listed | CNA |
- Kaspersky Endpoint Security for Windows Vendor— Affected KES versions from 11.1 to 11.6 (inclusively) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-35053
- 2026-10-03 Alias added: GHSA-cc54-3ghq-hp7j
References
More Kaspersky Endpoint Security vulnerabilities
- TI-2022-10539 Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security with antivirus… CVSS 3.1CRITICAL 9.8
- TI-2020-16026 Improper authentication in Kaspersky Rescue Disk Version CVSS 3.1MEDIUM 6.8
- TI-2021-08766 A denial-of-service issue existed in one of modules that was incorporated in Kaspersky… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2021-35053 · CVE Program
- CVE-2021-35053 · NVD
- FIRST EPSS
- GHSA-cc54-3ghq-hp7j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences