CVE-2020-28581

Name: CVE-2020-28581
Creator: NVD / NIST
Published: 2020-11-18T19:15:12.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 44.55%

Last modified Jun 17, 2026

CVE-2020-28581 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A command injection vulnerability in ModifyVLANItem of Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an authenticated, remote attacker to send specially crafted HTTP messages and execute arbitrary OS commands with elevated privileges.. EPSS estimates a 44.55% chance of exploitation in the next 30 days.

Description

A command injection vulnerability in ModifyVLANItem of Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an authenticated, remote attacker to send specially crafted HTTP messages and execute arbitrary OS commands with elevated privileges.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

44.55%

98.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions	Update
Trendmicro	Interscan Web Security Virtual Appliance	6.5	Sp2

References

https://success.trendmicro.com/solution/000281954Vendor Advisory
https://www.tenable.com/security/research/tra-2020-63Exploit, Third Party Advisory
https://success.trendmicro.com/solution/000281954Vendor Advisory
https://www.tenable.com/security/research/tra-2020-63Exploit, Third Party Advisory

Timeline

Published: Nov 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28581?

How severe is CVE-2020-28581?

CVE-2020-28581 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 44.55% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28581?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28581?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST