CVE-2020-28573

Apex One vulnerability

CVSS

5.3

EPSS

3.2%

EPSS pct

87th

Exploited

No known

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 the total agents managed by the server.

Affected vendor

Trendmicro

Affected product

Apex One

CVSS vector

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

Published

2020-12-01

Risk analysis

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

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2020-28573

Confirm whether Trendmicro Apex One is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-28573.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-28573

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-28573 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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