Vulnerability in Draytek Vigorconnect
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…
EPSS: 0.935 (99.8th percentile) — read the EPSS interpretation.
Affected products
- N/a Draytek Vigorconnect — versions 1.6.0-B3
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- www.tenable.com/security/research/tra-2021-42 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-20123?
- CVE-2021-20123 is a vulnerability in Draytek Vigorconnect. Published 2021-10-13.
- Is CVE-2021-20123 known to be exploited?
- Yes. CVE-2021-20123 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-09-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.