CVE-2021-35027: Path Traversal

Published Sep 29, 2021
·
Updated

A directory traversal vulnerability in the web server of the Zyxel VPN2S firmware version 1.12 could allow a remote attacker to gain access to sensitive information.

Affected Software

2 affected components
Zyxel Zywall VPN 2S=1.12\(abln.0\)c0
Zyxel Zywall VPN 2S

Event History

Sep 29, 2021
CVE Published
via MITRE·10:32 AM
Data Sourced
via MITRE·10:32 AM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-35027?

CVE-2021-35027 is a directory traversal vulnerability in the web server of the Zyxel VPN2S firmware version 1.12.

2

How can a remote attacker exploit CVE-2021-35027?

A remote attacker can exploit CVE-2021-35027 by sending specially crafted requests to the affected web server, allowing them to gain unauthorized access to sensitive information.

3

What is the severity of CVE-2021-35027?

The severity of CVE-2021-35027 is high, with a CVSS score of 7.5.

4

What software is affected by CVE-2021-35027?

The Zyxel VPN2S firmware version 1.12 is affected by CVE-2021-35027.

5

How can I fix CVE-2021-35027?

To fix CVE-2021-35027, update the Zyxel VPN2S firmware to a version that has the necessary security patches.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203