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CVE-2020-28579

52
FAUCET Score

CVE-2020-28579 is a remote code execution vulnerability affecting Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2. An authenticated attacker can exploit this by sending a specially crafted HTTP message, leading to high impact on confidentiality, integrity, and availability. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over the network with low attack complexity. Despite its severity, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
6.5CPE matchmatch criteria
cpe:2.3:a:trendmicro:interscan_web_security_virtual_appliance:6.5:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
49.29%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.4929 is in the 98th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (7)

esetvendor investigatingvia llm_extracted
hyperledgervendor investigatingvia llm_extracted
mariadbvendor investigatingvia llm_extracted
omronvendor investigatingvia llm_extracted
openrefinevendor investigatingvia llm_extracted
pnpmvendor investigatingvia llm_extracted
twiliovendor investigatingvia llm_extracted

Vendor Advisories (7)

twiliollm-twilio-f336d6cafc2359f3HIGH

Trend Micro InterScan Web Security Virtual Appliance Multiple Vulnerabilities

Nov 16, 2020
esetllm-eset-43ebe9b1a7cb5314HIGH

Trend Micro InterScan Web Security Virtual Appliance Multiple Vulnerabilities

Nov 16, 2020
hyperledgerllm-hyperledger-7a4ce89d55af345eHIGH

Trend Micro InterScan Web Security Virtual Appliance Multiple Vulnerabilities

Nov 16, 2020
pnpmllm-pnpm-8ca2ea2703e4283eHIGH

Trend Micro InterScan Web Security Virtual Appliance Multiple Vulnerabilities

Nov 16, 2020
omronllm-omron-c5e928494a2e6e7eHIGH

Trend Micro InterScan Web Security Virtual Appliance Multiple Vulnerabilities

Nov 16, 2020
openrefinellm-openrefine-b63f83645876f77aHIGH

Trend Micro InterScan Web Security Virtual Appliance Multiple Vulnerabilities

Nov 16, 2020
mariadbllm-mariadb-95f1128a69d045f8HIGH

Trend Micro InterScan Web Security Virtual Appliance Multiple Vulnerabilities

Nov 16, 2020

References

success.trendmicro.com / solution/000281954
Vendor Advisory
tenable.com / security/research/tra-2020-63
ExploitThird Party Advisory