CVE-2021-45442: trend micro trend micro worry-free business security Link Following

Vulnerability summary

CVE-2021-45442 is a high (CVSS 7.1) Link Following vulnerability in trend micro trend micro worry-free business security. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.7% of scored vulnerabilities.

Timeline

1. 08-01-2022
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

A link following denial-of-service vulnerability in Trend Micro Worry-Free Business Security (on prem only) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. This is similar to, but not the same as CVE-2021-44024. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

• CWE-59Improper Link Resolution Before File Access ('Link Following')The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.