CISA KEV · Known exploitedCritical

CVE-2020-8599

Trend Micro Apex One and OfficeScan

Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that could allow a remote attacker to write arbitrary data to an arbitrary path on affected installations and bypass ROOT login. Authentication is not required to exploit this vulnerability.

CVSS
9.8
EPSS
11.9%
95.7% percentile
CISA KEV
Listed
Published
2020.03.18
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability11.9%
Technical severityCVSS 9.8

Vulnerability overview

Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that could allow a remote attacker to write arbitrary data to an arbitrary path on affected installations and bypass ROOT login. Authentication is not required to exploit this vulnerability.

Affected product and versions

Product
Trend Micro Apex One and OfficeScan
Affected versions
OfficeScan XG (12.0), Apex One 2019 (14.0), 2019, xg
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2022.05.03
  1. 1
    Identify

    Confirm that Trend Micro Apex One and OfficeScan and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Not available
KEV added
2021.11.03
Ransomware use
미확인
CVE-2020-8599 — Trend Micro Apex One and OfficeScan | SECUFOCUS NOW