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CVE-2020-27693· NVD / CVE Program· CNA trendmicro

Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 stores administrative passwords using a hash that is considered outda

Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 stores administrative passwords using a hash that is considered outdated.

MediumCVSS 4.4 · v3.1—No exploit No fix recorded
Published
Nov 9, 2020
Updated
Jun 16, 2026
EPSS
1.8% · 77th percentile
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Action score

18

Monitor

Low priority for now.

CVSS
17 / 40 · 4.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 1.8%

Affected systems

VendorProduct
trendmicrointerscan messaging security virtual appliance
microsoftwindows

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • trendmicro interscan messaging security virtual applianceup to 9.1 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (trendmicro). Independent of NVD's CPE analysis and usually ahead of it.

  • Trend Micro Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA)

    • 9.1affected

Same product

trendmicro: all records

Other highest-scoring records for the same primary product.

  • CVE-2017-11391Proxy command injection vulnerability in Trend Micro InterScan Messaging Virtual Appliance 9.0 and 9.1 allows remote attackers to execute ar
    54Plan
  • CVE-2017-6398An issue was discovered in Trend Micro InterScan Messaging Security (Virtual Appliance) 9.1-1600.
    51Plan
  • CVE-2017-11392Proxy command injection vulnerability in Trend Micro InterScan Messaging Virtual Appliance 9.0 and 9.1 allows remote attackers to execute ar
    45Plan
  • CVE-2018-3609A vulnerability in the Trend Micro InterScan Messaging Security Virtual Appliance 9.0 and 9.1 management portal could allow an unauthenticat
    38Monitor
  • CVE-2020-27694Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 has updated a specific critical library that may vulnerable to attack
    37Monitor
  • CVE-2020-27016Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to a cross-site request forgery (CSRF) vulnerability wh
    36Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-916 · Use of Password Hash With Insufficient Computational Effort

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

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