VULNERABILITY INTELLIGENCE

CVE-2020-8465

CVSS score9.8 CRITICAL

EPSS probability2.69%

CISA KEVNot currently listed

Published2020-12-17

Last modified2026-06-17

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

Description

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an attacker to manipulate system updates using a combination of CSRF bypass (CVE-2020-8461) and authentication bypass (CVE-2020-8464) to execute code as user root.

Weakness classification

CWE-287: Improper Authentication
CWE-352: Cross-Site Request Forgery (CSRF)

Primary references

security@trendmicro.com — Exploit, Third Party Advisory
security@trendmicro.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory