A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the WebServlet endpoint.
Only Draytek VigorConnect 1.6.0-B3 is listed, via the file download function of its WebServlet endpoint. No vendor rating or fix is listed in the checked facts.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The affected software is Draytek VigorConnect, a centralized management application for Draytek network devices. An unauthenticated attacker could exploit a flaw in its file download feature to retrieve arbitrary files from the underlying operating system with root-level privileges, exposing sensitive data.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- n/a Draytek VigorConnect
1.6.0-B3
References 1
tenable.com
Questions about CVE-2021-20124
What does this mean?
A flaw in the WebServlet file download function lets an unauthenticated attacker download arbitrary files from the underlying operating system. The advisory says these files can be read with root privileges.Source: tenable.com
Am I affected, and how do I check?
Draytek VigorConnect 1.6.0-B3 is listed as affected, in the file download functionality of the WebServlet endpoint. To check a installation, compare its installed VigorConnect version against 1.6.0-B3.Source: tenable.com
What should I do about it?
The checked facts do not name a fixed version or an upgrade target. Check the vendor's advisory for an updated release.Source: tenable.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2024-09-03, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data
What if there's no patch?
The checked facts do not include a workaround or mitigation. No fix is recorded there, so follow the vendor's guidance for this product.Source: tenable.com