Deserialization in Magnolia-cms Magnolia_cms

CVE-2021-46364

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.016 (72.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-46364?
CVE-2021-46364 is a high-severity vulnerability in Magnolia-cms Magnolia_cms, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2022-02-11.
How severe is CVE-2021-46364?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-46364 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.