THREATPORT/VULNERABILITY/CVE-2020-28581
HIGH SEVERITY

CVE-2020-28581

Interscan Web Security Virtual Appliance vulnerability

CVSS
7.2
EPSS
44.5%
EPSS pct
99th
Exploited
No known
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.
Affected vendor
Trendmicro
Affected product
Interscan Web Security Virtual Appliance
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2020-11-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 44.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2020-28581

  • Confirm whether Trendmicro Interscan Web Security Virtual Appliance is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-28581.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-28581

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-28581 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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