CVE-2022-26871 Trend Micro Apex Central: dangerous file upload
In plain words: The program accepts files it should refuse, such as programs disguised as ordinary uploads. The attacker can place and run their own tools on the server.
Confirmed exploited by CISA on · US federal patch deadline Apr 21, 2022
What to do
- Install Trend Micro's security update for Apex Central. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Trend Micro Apex Central Arbitrary File Upload Vulnerability
- Product
- Trend Micro Apex Central
- CISA description
- An arbitrary file upload vulnerability in Trend Micro Apex Central could allow for remote code execution.
- Type of flaw
- Dangerous file upload (CWE-184)
- Confirmed exploited
- Mar 31, 2022
- US federal patch deadline
- Apr 21, 2022
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Answering about CVE-2022-26871 ·
Questions about CVE-2022-26871
Is CVE-2022-26871 being exploited?
Yes. CISA added CVE-2022-26871 to its Known Exploited Vulnerabilities catalog on Mar 31, 2022, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2022-26871?
Install Trend Micro's security update for Apex Central. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2022-26871?
Only if you use Trend Micro Apex Central. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.