CVE-2021-31521

5.4 mediumEPSS 1.4%

Medium (5.4) in trendmicro interscan web security virtual appliance. EPSS 1.4% chance of exploitation in the next 30 days.

Trend Micro InterScan Web Security Virtual Appliance version 6.5 was found to have a reflected cross-site scripting (XSS) vulnerability in the product's Captive Portal.

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-06-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

trendmicro:interscan_web_security_virtual_appliance

References

https://success.trendmicro.com/solution/000286452
https://success.trendmicro.com/solution/000286452

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