CVE-2021-28646

lowpriority · track · 22EPSS 0.004 · 36 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.42% (36th) EPSS

CVSS 2.1 · low

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.

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:P/A:Nprimary · 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:H/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15.5mediumAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-732USprimaryCWE-732US

affected products (7)

Products and version ranges known to be affected.

Trend Micro Trend Micro Apex One≤ 2019, SaaSenisa_euvdEU
Trend Micro Trend Micro OfficeScan≤ XG SP1enisa_euvdEU
Trend Micro Apex One≤ 2019 SaaSfstec_bduRU
Trend Micro Apex One≤ 2019fstec_bduRU
Trend Micro Trend Micro OfficeScan≤ XG SP1fstec_bduRU
trendmicro apex one= 2019nvdUScpe:2.3:a:trendmicro:apex_one:*:*:*:*:*:*:*:*
trendmicro officescan= xgnvdUScpe:2.3:a:trendmicro:officescan:*:*:*:*:*:*:*:*

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 2021-04-13modified 2026-06-17

related (1,935)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2022-22960US	high7.8OT critical	35.5% (98th)	KEV	2022-04-13
VMware Workspace ONE Access, Identity Manager and vRealize Automation contain a privilege escalation vulnerability due to improper permissions in support scripts. A malicious actor…
CVE-2021-23874US	high7.8OT critical	1.03% (63rd)	KEV	2021-02-10
Arbitrary Process Execution vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and execute arbitrary code bypassing MTP…
CVE-2019-15752US	high7.8OT critical	48.6% (99th)	KEV	2019-08-28
Docker Desktop Community Edition before 2.1.0.1 allows local users to gain privileges by placing a Trojan horse docker-credential-wincred.exe file in %PROGRAMDATA%\DockerDesktop\ve…
CVE-2018-13374US	medium4.3OT critical	38.1% (99th)	KEV	2019-01-22
A Improper Access Control in Fortinet FortiOS 6.0.2, 5.6.7 and before, FortiADC 6.1.0, 6.0.0 to 6.0.1, 5.4.0 to 5.4.4 allows attacker to obtain the LDAP server login credentials co…
CVE-2021-25646US	high8.8	99.1% (100th)	Exploit	2021-01-29
Apache Druid includes the ability to execute user-provided JavaScript code embedded in various types of requests. This functionality is intended for use in high-trust environments,…

+1930 more

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan