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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (75.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- docs.magnolia-cms.com/product-docs/6.2/Releases/Release-notes-for-Magnolia-CMS-… (Release Notes, Vendor Advisory)
- github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-46364-YAML Deserializ… (Exploit, Third Party Advisory)
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.