CVE-2021-31520
Last modified
CVE-2021-31520 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 3.90% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Trendmicro | Im Security | 1.6 |
| Trendmicro | Im Security | 1.6.5 |
References
- https://success.trendmicro.com/solution/000286439Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-525/Third Party Advisory, VDB Entry
- https://success.trendmicro.com/solution/000286439Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-525/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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