Every CVE Search/ Get API key

CVE-2020-28578

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an...

9.8 Critical

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an unauthenticated, remote attacker to send a specially crafted HTTP message and achieve remote code execution with elevated privileges.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

73.0%Up 71.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an unauthenticated, remote attacker to send a specially crafted HTTP message and achieve remote code execution with elevated privileges.

Record
CVE-2020-28578
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an unauthenticated, remote attacker to send a specially crafted HTTP message and achieve remote code execution with elevated privileges.

Record
CVE-2020-28578
Updated
2026-11-02
EUVDEUVD-2020-20976 No score

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an unauthenticated, remote attacker to send a specially crafted HTTP message and achieve remote code execution with elevated privileges.

Record
EUVD-2020-20976
Updated
2026-11-03
GitHub AdvisoriesGHSA-9vx6-2r2f-g9qw No score

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an...

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an unauthenticated, remote attacker to send a specially crafted HTTP message and achieve remote code execution with elevated privileges.

Record
GHSA-9vx6-2r2f-g9qw
Weakness
CWE-787
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-28578 is a critical vulnerability (CVSS 9.8) in Trend Micro Interscan Web Security Virtual Appliance, published November 18, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 73.0%, the 99th percentile. No source names a fixed version.

References

MoveEnter Open