CVE-2021-31520 — HIGH (8.1)

Vulnerability 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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Trendmicro	Im Security	1.6

Related Weaknesses (CWE)

CWE-287

References

https://success.trendmicro.com/solution/000286439PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-525/Third Party AdvisoryVDB Entry
https://success.trendmicro.com/solution/000286439PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-525/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2021-31520?

CVE-2021-31520 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 o...

How severe is CVE-2021-31520?

CVE-2021-31520 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-31520?

Check the references section above for vendor advisories and patch information. Affected products include: Trendmicro Im Security.