CVE-2018-20718

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://blog.ripstech.com/2018/pydio-unauthenticated-remote-code-execution/Exploit, Third Party Advisory
https://blog.ripstech.com/2018/pydio-unauthenticated-remote-code-execution/Exploit, Third Party Advisory

Timeline

Published: Jan 15, 2019
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2018

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