CVE-2021-44023

lowpriority · track · 28EPSS 0.004 · 36 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.42% (36th) EPSS

CVSS 3.6 · low

Is it mine?

9 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

A link following denial-of-service (DoS) vulnerability in the Trend Micro Security (Consumer) 2021 familiy of products could allow an attacker to abuse the PC Health Checkup feature of the product to create symlinks that would allow modification of files which could lead to a denial-of-service.

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.6–7.1

v2.03.6lowAV:L/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 4.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.2

v3.16.1mediumAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-59USprimaryCWE-59US

affected products (9)

Products and version ranges known to be affected.

Trend Micro Trend Micro Security (Consumer)≤ 2021 (v17)enisa_euvdEU
Trend Micro Trend Micro Antivirus+ Security≤ 2021 (v17)fstec_bduRU
Trend Micro Trend Micro Internet Security≤ 2021 (v17)fstec_bduRU
Trend Micro Trend Micro Maximum Security≤ 2021 (v17)fstec_bduRU
Trend Micro Trend Micro Premium Security≤ 2021 (v17)fstec_bduRU
trendmicro antivirus+ security 2021≤ 17.0nvdUScpe:2.3:a:trendmicro:antivirus\+_security_2021:*:*:*:*:*:*:*:*
trendmicro internet security 2021≤ 17.0nvdUScpe:2.3:a:trendmicro:internet_security_2021:*:*:*:*:*:*:*:*
trendmicro maximum security 2021≤ 17.0nvdUScpe:2.3:a:trendmicro:maximum_security_2021:*:*:*:*:*:*:*:*
trendmicro premium security 2021≤ 17.0nvdUScpe:2.3:a:trendmicro:premium_security_2021:*:*:*:*:*:*:*:*

also known as (6)

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 2021-12-16modified 2026-06-17

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+2368 more

references (9)

External citations — patches, advisories, analysis.

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