A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an attacker to bypass a global authorization ch…

published 2020-12-17 5y ago modified 2026-06-17 4mo ago also EUVD-2020-29329

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 6.0%; EPSS 6.0% chance of exploitation in 30 days, percentile 93%
public exploits: 0; none known

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an attacker to bypass a global authorization check for anonymous users by manipulating request paths.

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Exploit prediction

5.98% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

sec-consult.com https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-trend-micro-interscan-web-security-virtual-appliance/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

Trend Micro Trend Micro InterScan Web Security Virtual Appliance

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

sec-consult.com /vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-trend-micro-interscan-web-security-virtual-ap
exploit, third-party-advisory
success.trendmicro.com /solution/000283077
vendor-advisory

Sources

CVE List CVE-2020-8463
NVD CVE-2020-8463

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