CVE-2021-27223

lowpriority · track · 22EPSS 0.002 · 10 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 2.1 · low

Is it mine?

13 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–5.5

v2.02.1lowAV:L/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.14.4mediumAV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USCWE-269US

affected products (13)

Products and version ranges known to be affected.

n/a Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security≤ with antivirus databases released before June 2021enisa_euvdEU
АО «Лаборатория Касперского» Kaspersky Anti-Virusall versionsfstec_bduRU
АО «Лаборатория Касперского» Kaspersky Endpoint Securityall versionsfstec_bduRU
АО «Лаборатория Касперского» Kaspersky Internet Securityall versionsfstec_bduRU
АО «Лаборатория Касперского» Kaspersky Security Cloudall versionsfstec_bduRU
АО «Лаборатория Касперского» Kaspersky Small Office Securityall versionsfstec_bduRU
АО «Лаборатория Касперского» Kaspersky Total Securityall versionsfstec_bduRU
kaspersky anti-virus< 2021-06nvdUScpe:2.3:a:kaspersky:anti-virus:*:*:*:*:*:*:*:*
kaspersky endpoint security< 2021-06nvdUScpe:2.3:a:kaspersky:endpoint_security:*:*:*:*:*:*:*:*
kaspersky internet security< 2021-06nvdUScpe:2.3:a:kaspersky:internet_security:*:*:*:*:*:*:*:*
kaspersky security cloud< 2021-06nvdUScpe:2.3:a:kaspersky:security_cloud:*:*:*:*:*:*:*:*
kaspersky small office security< 2021-06nvdUScpe:2.3:a:kaspersky:small_office_security:*:*:*:*:*:*:*:*
kaspersky total security< 2021-06nvdUScpe:2.3:a:kaspersky:total_security:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-04-01modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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