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CVE-2018-20718

UnknownEPSS 3.73%

Last modified

CVE-2018-20718 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.73% chance of exploitation in the next 30 days.

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

EPSS Probability
3.73%

88.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PydioPydio< 8.2.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-20718?
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.
How severe is CVE-2018-20718?
Severity scoring for CVE-2018-20718 is pending analysis. The EPSS model estimates a 3.73% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20718?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20718?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST