CVE-2021-20123
CVSS v3
7.5
HIGH
EPSS Score
94.0 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
A 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.
CISA Known Exploited Vulnerability
- Date Added
- 2024-09-03
- Patch Due Date
- 2024-09-24
- Ransomware Use
- Unknown
Technical details
- Published
- 2021-10-13
Frequently asked questions
What is CVE-2021-20123?
A 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.
Is CVE-2021-20123 actively exploited?
Yes. CVE-2021-20123 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2024-09-24.
What is the CVSS score for CVE-2021-20123?
CVE-2021-20123 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-20123 affecting your environment?
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