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    CVE-2020-28582

    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 number of managed agents.

    Published:Dec 1, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 1, 2020
    EPSS Score:0.0038
    CVSS Score:5.3

    Affected Products

    Vendor
    Trendmicro
    Product
    Apex One
    Vendor
    Trendmicro
    Product
    Officescan

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-45208 (CVSS 7.8) — A time-of-check time-of-use vulnerability in the Apex One/SEP agent could allow a local attacker to escalate p…
    CVE-2026-45207 (CVSS 7.8) — An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileg…
    CVE-2026-45206 (CVSS 7.8) — An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileg…
    CVE-2026-34930 (CVSS 7.8) — An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileg…
    CVE-2026-34929 (CVSS 7.8) — An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileg…
    CVE-2026-34928 (CVSS 7.8) — An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileg…
    CVE-2026-34927 (CVSS 7.8) — An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileg…
    CVE-2026-34926 (CVSS 6.7) — A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local …
    CVE-2025-71217 (CVSS 7.8) — An origin validation error vulnerability in the Trend Micro Apex One (mac) agent self-protection mechanism cou…
    CVE-2025-71216 (CVSS 7.8) — A time-of-check time-of-use vulnerability in the Trend Micro Apex One (mac) agent cache mechanism could allow …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High