CVE-2021-20124 (GCVE-0-2021-20124)

Vulnerability from cvelistv5 – Published: 2021-10-13 15:48 – Updated: 2025-10-21 23:25
VLAI? CISA
Summary
A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the WebServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • Path Traversal
Assigner
References
Impacted products
Vendor Product Version
n/a Draytek VigorConnect Affected: 1.6.0-B3
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2024-09-03

Due date: 2024-09-24

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Used in ransomware: Unknown

Notes: https://www.draytek.com/about/security-advisory/vigorconnect-software-security-vulnerability-(cve-2021-20123-cve-2021-20129); https://nvd.nist.gov/vuln/detail/CVE-2021-20124

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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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