CVE-2018-20718 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://blog.ripstech.com/2018/pydio-unauthenticated-remote-code-execution/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8