HOMEVULNERABILITIESCVE-2020-8606
CRITICAL

CVE-2020-8606

CWE-287Published: May 27, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 may allow remote attackers to bypass authentication on affected installations of Trend Micro InterScan Web Security Virtual Appliance.

NVD Source

Technical Analysis

CVE-2020-8606 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

trendmicro1 product(s)
interscan web security virtual appliance
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (8)

Quick Facts

CVE IDCVE-2020-8606
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-287
CISA KEVNo
Affected1 vendor(s)
PublishedMay 27, 2020

Related CVEs (CWE-287)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-8606 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.