CVE-2021-39217
OpenMage LTS arbitrary command execution in custom layout update through blocks
OpenMage LTS is an e-commerce platform. Prior to versions 19.4.22 and 20.0.19, Custom Layout enabled admin users to execute arbitrary commands via block methods. Versions 19.4.22 and 20.0.19 contain patches for this issue.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
OpenMage LTS arbitrary command execution in custom layout update through blocks
OpenMage LTS is an e-commerce platform. Prior to versions 19.4.22 and 20.0.19, Custom Layout enabled admin users to execute arbitrary commands via block methods. Versions 19.4.22 and 20.0.19 contain patches for this issue.
- Record
CVE-2021-39217- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2023-0442
OpenMage LTS is an e-commerce platform. Prior to versions 19.4.22 and 20.0.19, Custom Layout enabled admin users to execute arbitrary commands via block methods. Versions 19.4.22 and 20.0.19 contain patches for this issue.
- Record
EUVD-2023-0442- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c9q3-r4rv-mjm7
Fix for arbitrary command execution in custom layout update through blocks
Impact
Custom Layout enabled admin users to execute arbitrary commands via block methods.
- Record
GHSA-c9q3-r4rv-mjm7- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
OpenMage LTS is an e-commerce platform. Prior to versions 19.4.22 and 20.0.19, Custom Layout enabled admin users to execute arbitrary commands via block methods. Versions 19.4.22 and 20.0.19 contain patches for this issue.
- Record
CVE-2021-39217- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
OSV
OpenMage LTS is an e-commerce platform. Prior to versions 19.4.22 and 20.0.19, Custom Layout enabled admin users to execute arbitrary commands via block methods. Versions 19.4.22 and 20.0.19 contain patches for this issue.
- Record
CVE-2021-39217- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-c9q3-r4rv-mjm7
Fix for arbitrary command execution in custom layout update through blocks
Impact
Custom Layout enabled admin users to execute arbitrary commands via block methods.
- Record
GHSA-c9q3-r4rv-mjm7- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openmage/magento-ltsPackagist |
before 19.4.22 | 19.4.22 |
openmage/magento-ltsPackagist |
20.0.0 up to 20.0.19 | 20.0.19 |
openmage/magento-ltsPackagist |
before 19.4.22, plus listed versions 1.9.1.11.9.2.01.9.2.11.9.2.21.9.2.3 Show 25 moreShow less1.9.2.41.9.3.01.9.3.1v19.4.0v19.4.1v19.4.10v19.4.11v19.4.12v19.4.13v19.4.14v19.4.15v19.4.16v19.4.17v19.4.18v19.4.19v19.4.2v19.4.20v19.4.21v19.4.3v19.4.4v19.4.5v19.4.6v19.4.7v19.4.8v19.4.9 |
19.4.22 |
openmage/magento-ltsPackagist |
20.0.0 up to 20.0.19, plus listed versions v20.0.0v20.0.1v20.0.10v20.0.11v20.0.12 Show 13 moreShow lessv20.0.13v20.0.14v20.0.15v20.0.16v20.0.17v20.0.18v20.0.2v20.0.3v20.0.4v20.0.5v20.0.6v20.0.7v20.0.8 |
20.0.19 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39217 is a high vulnerability (CVSS 7.2) in Openmage Magento, published January 27, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.38%, the 72nd percentile. Fixed in openmage/magento-lts 19.4.22.
References
github.com/OpenMage/magento-lts/security/advisories/GHSA-c9q3-r4rv-mjm7
nvd.nist.gov/vuln/detail/CVE-2021-39217