High severity · published Jul 29, 2021
CVE-2021-36742
Trend Micro Multiple Products Improper Input Validation Vulnerability
In wildKEV
7.8
CVSS
1.5%
EPSS
Yes
On KEV
Description
A improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG and Worry-Free Business Security 10.0 SP1 allows a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueNov 17, 2021
Ransomware campaign useNot known
Affected products
Which versions
AO
Apex One · Trend Micro
2019, SaaS · source: vendor, NVD
TM
Trend Micro OfficeScan · Trend Micro
XG SP1 · source: vendor
TM
Trend Micro Worry-Free Business Security · Trend Micro
10.0 SP1 · source: vendor
OF
Officescan · Trendmicro
xg · source: NVD
OB
Officescan Business Security · Trendmicro
10.0 · source: NVD
WB
Worry-free Business Security · Trendmicro
10.0 · source: NVD
AO
Apex One, Apex One as a Service, and Worry-Free Business Security · Trend Micro
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36742
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36742
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://success.trendmicro.com/solution/000287819
x_refsource_MISC
https://success.trendmicro.com/solution/000287820
x_refsource_MISC
https://success.trendmicro.com/jp/solution/000287796
x_refsource_MISC
https://success.trendmicro.com/jp/solution/000287815
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