CVE-2021-25236 Server-side request forgery in Trend Micro OfficeScan

What is CVE-2021-25236?

CVE-2021-25236 is a medium-severity server-side request forgery vulnerability in Trendmicro Officescan, published on 4 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A server-side request forgery (SSRF) information disclosure vulnerability in Trend Micro OfficeScan XG SP1 and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to locate online agents via a specific sweep.

Weakness: CWE-918

Which versions are affected by CVE-2021-25236?

It affects 2 products.

Products include Trendmicro Officescan, Trendmicro Worry-Free Business Security.

How do I fix CVE-2021-25236?

No fix has been published for CVE-2021-25236 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2021-25236 being exploited?

There is no known exploitation of CVE-2021-25236 in the wild and no public exploit code.

Other vulnerabilities in Trendmicro Officescan

• CVE-2019-18187 Trend Micro OfficeScan Directory Traversal Exploited High 8.8
• CVE-2017-14089 Memory corruption in Trend Micro OfficeScan Critical 9.8
• CVE-2017-11393 Command injection in Trend Micro OfficeScan Critical 9.8
• CVE-2017-11394 Command injection in Trend Micro OfficeScan Critical 9.8
• CVE-2018-10508 Privilege escalation in Trend Micro OfficeScan High 8.8

All Trendmicro Officescan vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6hx5-9q4p-p96w.