CVE-2021-39217

OpenMage LTS arbitrary command execution in custom layout update through blocks

HIGH

7.2

CVSS Score

Published: January 27, 2023 at 05:57 PM UTC

Updated: June 17, 2026 at 04:03 AM UTC

1 product affected across 1 vendorMagento

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Severity

HIGH7.2

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Magento · Openmagecomposer

95%

v < 19.4.22v < 20.0.1920.0.0 ≤ v < 20.0.19

Affected range stops below 19.4.22, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.0.19, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://github.com/OpenMage/magento-lts/commit/289bd4b4f53622138e3e5c2d2cef7502d780086f

References (4)

x_refsource_MISCPatchThird Party Advisory

Source: [email protected]

https://github.com/OpenMage/magento-lts/commit/289bd4b4f53622138e3e5c2d2cef7502d780086f

x_refsource_MISCRelease NotesThird Party Advisory

Source: [email protected]

https://github.com/OpenMage/magento-lts/releases/tag/v19.4.22

x_refsource_MISCRelease NotesThird Party Advisory

Source: [email protected]

https://github.com/OpenMage/magento-lts/releases/tag/v20.0.19

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://github.com/OpenMage/magento-lts/security/advisories/GHSA-c9q3-r4rv-mjm7

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHGitHub_M

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-77

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