CVE-2020-28577

Name: CVE-2020-28577
Creator: NVD / NIST
Published: 2020-12-01T19:15:12.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 3.21%

Last modified Jun 17, 2026

CVE-2020-28577 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An improper access control information disclosure vulnerability in Trend Micro Apex One and OfficeScan XG SP1 could allow an unauthenticated user to connect to the product server and reveal server hostname and db names.. EPSS estimates a 3.21% chance of exploitation in the next 30 days.

Description

An improper access control information disclosure vulnerability in Trend Micro Apex One and OfficeScan XG SP1 could allow an unauthenticated user to connect to the product server and reveal server hostname and db names.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

3.21%

86.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Trendmicro	Apex One	2019	—
Trendmicro	Officescan	xg	Sp1

References

https://success.trendmicro.com/solution/000281947Vendor Advisory
https://success.trendmicro.com/solution/000281949Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1376/Third Party Advisory, VDB Entry
https://success.trendmicro.com/solution/000281947Vendor Advisory
https://success.trendmicro.com/solution/000281949Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1376/Third Party Advisory, VDB Entry

Timeline

Published: Dec 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28577?

How severe is CVE-2020-28577?

CVE-2020-28577 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 3.21% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28577?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28577?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST