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01 Record

CVE-2020-28577

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

UnratedPUBLISHEDCNA: trendmicro
CNA base scoreUnratedNo CNA CVSS vector

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.24% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 87.8% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-12-01 18:40Z5 YR AGO
Last updated
2024-08-04 16:40Z2 YR AGO
Reserved
2020-11-13
Assigning CNA
trendmicro
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
42bba7f45f801e34766928759690e3ad5aedf0148d450e3fc7f8e335d3c70743

05 Affected products

VendorProductVersionsPlatforms
Trend MicroTrend Micro Apex One2019—
Trend MicroTrend Micro OfficeScanXG SP1—

06 References