CVE-2021-31520: Trend Micro IM Security Weak Session Token Authentication Bypass Vulnerability
A weak session token authentication bypass vulnerability in Trend Micro IM Security 1.6 and 1.6.5 could allow an remote attacker to guess currently logged-in administrators' session session token in order to gain access to the product's web management interface.
Other sources
This vulnerability allows remote attackers to bypass authentication on affected installations of Trend Micro IM Security. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web console, which listens on TCP port 16373 by default. The issue results from the use of guessable session tokens. An attacker can leverage this vulnerability to bypass authentication on the system.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2021-31520.
What is the severity level of CVE-2021-31520?
The severity level of CVE-2021-31520 is high (8.1).
How does CVE-2021-31520 impact Trend Micro IM Security?
CVE-2021-31520 allows remote attackers to bypass authentication on affected installations of Trend Micro IM Security.
Is authentication required to exploit CVE-2021-31520?
No, authentication is not required to exploit CVE-2021-31520.
How can I fix CVE-2021-31520?
To fix CVE-2021-31520, it is recommended to update to a patched version of Trend Micro IM Security.