THREATPORT/VULNERABILITY/CVE-2020-27017
MEDIUM SEVERITY

CVE-2020-27017

Interscan Messaging Security Virtual Appliance vulnerability

CVSS
4.9
EPSS
6.4%
EPSS pct
93th
Exploited
No known
Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to an XML External Entity Processing (XXE) vulnerability which could allow an authenticated administrator to read arbitrary local files. An attacker must already have obtained product administrator/root privileges to exploit this vulnerability.
Affected vendor
Trendmicro
Affected product
Interscan Messaging Security Virtual Appliance
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness type (CWE)
  • CWE-611 — XML External Entity (XXE) Reference
Published
2020-11-09

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.

Its EPSS score of 6.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2020-27017

  • Confirm whether Trendmicro Interscan Messaging Security Virtual Appliance is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-27017.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-27017

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-27017 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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