CVE-2021-32465

Name: CVE-2021-32465
Creator: NVD / NIST
Published: 2021-08-04T19:15:08.47+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 4.34%

Last modified Jun 17, 2026

CVE-2021-32465 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An incorrect permission preservation vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a remote user to perform an attack and bypass authentication 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.. EPSS estimates a 4.34% chance of exploitation in the next 30 days.

Description

An incorrect permission preservation vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a remote user to perform an attack and bypass authentication 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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.34%

90.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-281

Affected Software

Vendor	Product	Versions	Update
Trendmicro	Apex One	2019	—
Trendmicro	Officescan	xg	Sp1

References

https://success.trendmicro.com/jp/solution/000287796Vendor Advisory
https://success.trendmicro.com/solution/000287819Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-911/Third Party Advisory, VDB Entry
https://success.trendmicro.com/jp/solution/000287796Vendor Advisory
https://success.trendmicro.com/solution/000287819Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-911/Third Party Advisory, VDB Entry

Timeline

Published: Aug 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32465?

How severe is CVE-2021-32465?

CVE-2021-32465 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 4.34% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32465?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32465?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST