CVE-2021-39217 json
OpenMage LTS arbitrary command execution in custom layout update through blocks
published 2023-01-27 3 y ago modified 2026-07-08 4 mo ago also GHSA-c9q3-r4rv-mjm7 , EUVD-2023-0442
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- packagist openmage/magento-lts 19.4.22, 20.0.19
- openmage magento 19.4.22, 20.0.19
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | openmage/magento-lts | <19.4.22 >=20.0.0, <20.0.19 |
19.4.22 20.0.19 |
Affected products
- OpenMage magento-lts
Classification
- Weakness
-
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
-
github.com
/OpenMage/magento-lts/commit/289bd4b4f53622138e3e5c2d2cef7502d780086f
web, patch, third-party-advisory
-
github.com
/OpenMage/magento-lts/security/advisories/GHSA-c9q3-r4rv-mjm7
web, third-party-advisory
-
github.com
/OpenMage/magento-lts/releases/tag/v19.4.22
web, release-notes, third-party-advisory
-
github.com
/OpenMage/magento-lts/releases/tag/v20.0.19
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-39217
advisory
-
github.com
/OpenMage/magento-lts
package
Sources
- CVE List CVE-2021-39217
- GitHub Advisory GHSA-c9q3-r4rv-mjm7
- NVD CVE-2021-39217
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