CVE-2018-20718

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 9.39% Top 10%
Third-Party Advisory ripstech.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blog.ripstech.com/2018/pydio-unauthenticated-remote-code-execution/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2018-20718?
CVE-2018-20718 has been scored as a critical severity vulnerability.
How to fix CVE-2018-20718?
To fix CVE-2018-20718, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20718 being actively exploited in the wild?
It is possible that CVE-2018-20718 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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