Answer in brief
CVE-2020-8599 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Trend Micro/Trend Micro OfficeScan, Trend Micro Apex One (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Trend Micro/Trend Micro OfficeScan, Trend Micro Apex One (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Trend Micro/Trend Micro OfficeScan, Trend Micro Apex Onegeneric | OfficeScan XG (12.0), Apex One 2019 (14.0) | Not reported |
Published upstream
Mar 18, 2020
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Nov 3, 2021
Evidence: source:kev:kev:kev:recordTrend 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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2020-8599 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Trend Micro/Trend Micro OfficeScan, Trend Micro Apex One (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Trend Micro/Trend Micro OfficeScan, Trend Micro Apex One (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Trend Micro/Trend Micro OfficeScan, Trend Micro Apex Onegeneric | OfficeScan XG (12.0), Apex One 2019 (14.0) | Not reported |
Published upstream
Mar 18, 2020
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Nov 3, 2021
Evidence: source:kev:kev:kev:recordTrend 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.
Quoted source text, attributed separately from HOL analysis.