CVE-2021-46364

Public Exploit

Description

A vulnerability in the Snake YAML parser of Magnolia CMS v6.2.3 and below allows attackers to execute arbitrary code via a crafted YAML file.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.00% Top 25%
Vendor Advisory magnolia-cms.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.magnolia-cms.com/product-docs/6.2/Releases/Release-notes-for-Magnolia-CMS-6.2.4.html#_security_advisory release notes vendor advisory
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-46364-YAML%20Deserialization-Magnolia%20CMS third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-46364?
CVE-2021-46364 has been scored as a high severity vulnerability.
How to fix CVE-2021-46364?
To fix CVE-2021-46364, 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-2021-46364 being actively exploited in the wild?
It is possible that CVE-2021-46364 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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