Answer in brief
CVE-2021-20123 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps n/a/Draytek VigorConnect (generic), draytek/vigorconnect (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 n/a/Draytek VigorConnect (generic), draytek/vigorconnect (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| n/a/Draytek VigorConnectgeneric | 1.6.0-B3 | Not reported |
| draytek/vigorconnectgeneric | 1.6.0 | Not reported |
Published upstream
Oct 13, 2021
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
Sep 3, 2024
Evidence: source:kev:kev:kev:recordA local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2021-20123 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps n/a/Draytek VigorConnect (generic), draytek/vigorconnect (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 n/a/Draytek VigorConnect (generic), draytek/vigorconnect (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| n/a/Draytek VigorConnectgeneric | 1.6.0-B3 | Not reported |
| draytek/vigorconnectgeneric | 1.6.0 | Not reported |
Published upstream
Oct 13, 2021
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
Sep 3, 2024
Evidence: source:kev:kev:kev:recordA local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.
Quoted source text, attributed separately from HOL analysis.