🛡️ CVE-2021-39217 — magento-lts

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-77 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Fix for arbitrary command execution in custom layout update through blocks

Impact

Custom Layout enabled admin users to execute arbitrary commands via block methods.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2021-39217 is classified as CWE-77: Command Injection. User input is placed into a command that the system interprets, allowing extra commands to be appended to the intended one.

Affected software

CVE-2021-39217 is recorded against 1 package.

  • openmage/magento-lts (from 20.0.0 up to 20.0.19)

Timeline and source

Published on 27 January 2023 and last revised on 8 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
github.com (Web)
github.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE CWE-77
Public Exploit ✅ No
Source OSV
Published 2023-01-27
Updated 2026-08-12
Modified 2026-07-08
Fix URL N/A

Affected Packages

Software From version Fixed in
openmage/magento-lts 20.0.0 20.0.19

Similar Threats

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