CVE-2018-20718: Critical severity pydio cells vulnerability

Published Jan 15, 2019
·
Updated

In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a "public link" of a file, or access to any unprivileged user account for creation of such a link.

Affected Software

1 affected component
Pydio Pydio<8.2.2

Event History

Jan 15, 2019
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
Description

Frequently Asked Questions

1

What is the vulnerability ID for this Pydio vulnerability?

The vulnerability ID for this Pydio vulnerability is CVE-2018-20718.

2

What is the severity of CVE-2018-20718?

The severity of CVE-2018-20718 is critical.

3

What is the affected software for CVE-2018-20718?

The affected software for CVE-2018-20718 is Pydio version up to and excluding 8.2.2.

4

What is the CWE ID for this vulnerability?

The CWE ID for this vulnerability is CWE-502.

5

How can an attacker exploit CVE-2018-20718?

An attacker can exploit CVE-2018-20718 by using PHP Object Injection through the $phpserial$a:0:{} syntax to store a preference.

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