A denial-of-service issue existed in one of modules that was incorporated in Kaspersky…
Priority LOW 24Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- 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
A denial-of-service issue existed in one of modules that was incorporated in Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security. A local user could cause Windows crash by running a specially crafted binary module. The fix was delivered automatically. Credits: (Straghkov Denis, Kurmangaleev Shamil, Fedotov Andrey, Kuts Daniil, Mishechkin Maxim, Akolzin Vitaliy) @ ISPRAS
Why it matters now
EPSS 0.00202 10th 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 Anti-Virus products for home and Kaspersky Endpoint Security | with antivirus databases released before June 2021 | — | No fix listed | CNA |
- Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security Vendor— Affected with antivirus databases released before June 2021 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kaspersky:anti-virus:*:*:*:*:*:*:*:* | before 2021-06 | Vulnerable | Kaspersky |
| cpe:2.3:a:kaspersky:endpoint_security:*:*:*:*:*:*:*:* | before 2021-06 | Vulnerable | Kaspersky |
| cpe:2.3:a:kaspersky:internet_security:*:*:*:*:*:*:*:* | before 2021-06 | Vulnerable | Kaspersky |
| cpe:2.3:a:kaspersky:security_cloud:*:*:*:*:*:*:*:* | before 2021-06 | Vulnerable | Kaspersky |
| cpe:2.3:a:kaspersky:small_office_security:*:*:*:*:*:*:*:* | before 2021-06 | Vulnerable | Kaspersky |
| cpe:2.3:a:kaspersky:total_security:*:*:*:*:*:*:*:* | before 2021-06 | Vulnerable | Kaspersky |
- cpe:2.3:a:kaspersky:anti-virus:*:*:*:*:*:*:*:* Versions before 2021-06 Vulnerable ·Kaspersky
- cpe:2.3:a:kaspersky:endpoint_security:*:*:*:*:*:*:*:* Versions before 2021-06 Vulnerable ·Kaspersky
- cpe:2.3:a:kaspersky:internet_security:*:*:*:*:*:*:*:* Versions before 2021-06 Vulnerable ·Kaspersky
- cpe:2.3:a:kaspersky:security_cloud:*:*:*:*:*:*:*:* Versions before 2021-06 Vulnerable ·Kaspersky
- cpe:2.3:a:kaspersky:small_office_security:*:*:*:*:*:*:*:* Versions before 2021-06 Vulnerable ·Kaspersky
- cpe:2.3:a:kaspersky:total_security:*:*:*:*:*:*:*:* Versions before 2021-06 Vulnerable ·Kaspersky
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27223
- 2026-10-03 Alias added: GHSA-7cc7-6j4x-2w54
More Kaspersky Anti-virus vulnerabilities
- TI-2022-10539 Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security with antivirus… CVSS 3.1CRITICAL 9.8
- TI-2019-11771 Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security, Kaspersky… CVSS 3.1MEDIUM 6.5
- TI-2019-11772 Open redirect in Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total… CVSS 3.1MEDIUM 6.1
- TI-2016-03713 Improper input validation in Kaspersky Total Security CVSS 3.0MEDIUM 5.5
- TI-2019-05956 Information disclosure in Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky… CVSS 3.0MEDIUM 4.3
- TI-2019-11769 Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security, Kaspersky… CVSS 3.1MEDIUM 4.3
Sources
- CVE-2021-27223 · CVE Program
- CVE-2021-27223 · NVD
- FIRST EPSS
- GHSA-7cc7-6j4x-2w54 · GitHub Advisory Database · CC BY 4.0
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