Medium severity · published Mar 3, 2021
CVE-2021-25252
Trend Micro's Virus Scan API (VSAPI) and Advanced Threat Scan Engine (ATSE) - are vulnerable to a memory exhaustion vulnerability that may lead to denial-of-service or system…
5.5
CVSS
0.6%
EPSS
No
On KEV
Description
Trend Micro's Virus Scan API (VSAPI) and Advanced Threat Scan Engine (ATSE) - are vulnerable to a memory exhaustion vulnerability that may lead to denial-of-service or system freeze if exploited by an attacker using a specially crafted file.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AO
Apex One · Trend Micro
2019 · source: NVD
AC
Apex Central · Trendmicro
2019 · source: NVD
CE
Cloud Edge · Trendmicro
5.0 · source: NVD
CM
Control Manager · Trendmicro
7.0 · source: NVD
DD
Deep Discovery Analyzer · Trendmicro
5.1 · source: NVD
DD
Deep Discovery Email Inspector · Trendmicro
2.5 · source: NVD
DD
Deep Discovery Inspector · Trendmicro
3.8 · source: NVD
DS
Deep Security · Trendmicro
10.0; 11.0; 12.0; 20.0 · source: NVD
IM
Interscan Messaging Security Virtual Appliance · Trendmicro
9.1 · source: NVD
IW
Interscan Web Security Virtual Appliance · Trendmicro
6.5 · source: NVD
OF
Officescan · Trendmicro
All versions, or not specified · source: NVD
PP
Portal Protect · Trendmicro
2.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-25252
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-25252
Patch
https://success.trendmicro.com/solution/000285675
More from Apex One
9.8
CVE-2025-54948
Trend Micro Apex One OS Command Injection Vulnerability
9.8
CVE-2022-26871
Trend Micro Apex Central Arbitrary File Upload Vulnerability
9.8
CVE-2020-8599
Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability
8.8
CVE-2021-36741
Trend Micro Multiple Products Improper Input Validation Vulnerability
8.8
CVE-2020-8468
Trend Micro Multiple Products Content Validation Escape Vulnerability
