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High severity8.1NVD Advisory· Published May 10, 2021· Updated Jun 17, 2026

CVE-2021-31520

CVE-2021-31520

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Trend Micro/Im Security3 versions
    cpe:2.3:a:trendmicro:im_security:1.6.5:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:trendmicro:im_security:1.6.5:*:*:*:*:*:*:*
    • cpe:2.3:a:trendmicro:im_security:1.6:*:*:*:*:*:*:*
    • (no CPE)range: 1.6, 1.6.5
  • Trend Micro/Internet Securitycpe-rescue
    Range: 1.6, 1.6.5

Patches

Vulnerability mechanics

References

2

News mentions

0

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