CVE-2022-26871
Trend Micro Apex Central Arbitrary File Upload Vulnerability
Trend Micro Apex Central
An arbitrary file upload vulnerability in Trend Micro Apex Central could allow an unauthenticated remote attacker to upload an arbitrary file which could lead to remote code execution.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 31 March 2022. US federal agencies were required to remediate it by 21 April 2022.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 19.5%, which is higher than 97.3% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2022-26871 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2022-26871.
What does CVE-2022-26871 affect?
CVE-2022-26871 affects Trend Micro Apex Central. An arbitrary file upload vulnerability in Trend Micro Apex Central could allow an unauthenticated remote attacker to upload an arbitrary file which could lead to remote code execution.
How severe is CVE-2022-26871?
CVE-2022-26871 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 19.5%, higher than 97.3% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 21 April 2022.
How should organisations respond to CVE-2022-26871?
Apply the vendor patch for Trend Micro Apex Central as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.