CVE-2021-20124

Published: Oct 13, 2021Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-22

7.5HIGH

NVD MITRE

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:NIntegrity

None

A:NAvailability

None

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Weaknesses

CWE-22

Affected Products

DrayTek

commercial·TWaka draytek corp.

VigorConnect

Networking Infrastructure

and 2 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability

Added to KEV:Sep 3, 2024

Remediation due:Sep 24, 2024

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

Official Patch Available

Is your org exposed to CVE-2021-20124?Discuss checks for your systems with a specialist. Scope agreed before testing. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Collection

Discovery

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References

https://nvd.nist.gov/vuln/detail/CVE-2021-20124

nvd.nist.gov

https://vulners.com/vulnrichment/VULNRICHMENT:CVE-2021-20124

vulners.com

https://www.cve.org/CVERecord?id=CVE-2021-20124

cve.org

and 4 more references View all →

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