CVE-2021-46364
Deserialization of Untrusted Data in Magnolia CMS
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-46364- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-46364- Updated
- 2026-11-02
EUVDEUVD-2022-1138 No score
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.
- Record
EUVD-2022-1138- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pwr6-p3fh-grc2
Deserialization of Untrusted Data in Magnolia CMS
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.
- Record
GHSA-pwr6-p3fh-grc2- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSVGHSA-pwr6-p3fh-grc2
Deserialization of Untrusted Data in Magnolia CMS
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.
- Record
GHSA-pwr6-p3fh-grc2- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
info.magnolia:magnolia-coreMaven |
before 6.2.4 | 6.2.4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | mbadanoiu/CVE-2021-46364 | 2023-11-23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46364 is a high vulnerability (CVSS 7.8) in Magnolia-cms Magnolia Cms, published February 11, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. Fixed in info.magnolia:magnolia-core 6.2.4.