PULSE
FEED
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CVE Watch—

CVE-2021-20124

Draytek VigorConnect Path Traversal Vulnerability

CVSS

—

No CVSS

EPSS

96.3%

p100

KEV

YES

Sep 3, 2024

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
96.3%EPSS · 30 days96.3%
2026-09-172026-10-15
KEV catalog record

Product

DrayTek / VigorConnect

Vulnerability

Draytek VigorConnect Path Traversal Vulnerability

Added to KEV

Sep 3, 2024

Remediate by

Sep 24, 2024

Known ransomware use

No

Summary description

Draytek VigorConnect contains a path traversal vulnerability 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.

Required action

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

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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