ZDI-21-525: Trend Micro IM Security Weak Session Token Authentication Bypass Vulnerability
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 | Affected Version | How to fix |
|---|---|---|
| Trend Micro Internet Security |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-525?
The severity of ZDI-21-525 is classified as high due to the ability of remote attackers to bypass authentication.
How do I fix ZDI-21-525?
To fix ZDI-21-525, apply the latest security patch provided by Trend Micro for IM Security.
What systems are affected by ZDI-21-525?
ZDI-21-525 affects installations of Trend Micro IM Security that have the web console exposed.
How can ZDI-21-525 be exploited?
ZDI-21-525 can be exploited by remote attackers who can access the web console without authentication.
Is user interaction required to exploit ZDI-21-525?
No, user interaction is not required to exploit ZDI-21-525.
- agent/references
- agent/type
- agent/softwarecombine
- agent/severity
- agent/title
- agent/event
- agent/description
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-525
- alias/ZDI-CAN-12023
- alias/CVE-2021-31520
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/trend micro
- canonical/trend micro internet security