PT-2021-19403 · Trend Micro · Trend Micro Interscan Web Security Virtual Appliance

Published 2021-06-17 · Updated 2021-06-21 · CVE-2021-31521

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Trend Micro InterScan Web Security Virtual Appliance version 6.5

Description The issue is related to a reflected cross-site scripting (XSS) vulnerability found in the Captive Portal of the product. This type of vulnerability allows an attacker to inject malicious scripts into the website, potentially leading to unauthorized actions on the user's session.

Recommendations For Trend Micro InterScan Web Security Virtual Appliance version 6.5, consider disabling the Captive Portal feature until a patch is available to prevent potential exploitation of the reflected XSS vulnerability.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-31521

Affected Products

Trend Micro Interscan Web Security Virtual Appliance

References · 4

• https://success.trendmicro.com/solution/000286452 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31521 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31521 · Vendor Advisory
• https://t.me/cvenotify/16512 · Telegram Post