CVE-2021-21018
Magnto Commerce Unauthorized Data Modification Could Lead To Arbitrary Code Execution
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to OS command injection via the scheduled operation module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.
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
Magnto Commerce Unauthorized Data Modification Could Lead To Arbitrary Code Execution
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to OS command injection via the scheduled operation module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.
- Record
CVE-2021-21018- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2022-5231
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to OS command injection via the scheduled operation module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.
- Record
EUVD-2022-5231- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rv48-v862-mp92
Magento OS Command Injection
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to OS command injection via the scheduled operation module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.
- Record
GHSA-rv48-v862-mp92- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
NVD
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to OS command injection via the scheduled operation module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.
- Record
CVE-2021-21018- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
OSV
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to OS command injection via the scheduled operation module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.
- Record
CVE-2021-21018- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-rv48-v862-mp92
Magento OS Command Injection
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to OS command injection via the scheduled operation module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.
- Record
GHSA-rv48-v862-mp92- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
OSVBIT-magento-2021-21018 No score
Magnto Commerce Unauthorized Data Modification Could Lead To Arbitrary Code Execution
Magento versions 2.4.1 (and earlier), 2.4.0 (and earlier) and 2.3.6 (and earlier) are vulnerable to OS command injection via the scheduled operation module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.
- Record
BIT-magento-2021-21018- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
magento/community-editionPackagist |
before 2.3.6 | 2.3.6 |
magento/community-editionPackagist |
2.4.0 up to 2.4.1-p1 | 2.4.1-p1 |
magentoBitnami |
before 2.3.6, 2.4.0 up to 2.4.2 | 2.3.62.4.2 |
magento/community-editionPackagist |
before 2.3.6, plus listed versions 0.1.0-alpha1000.1.0-alpha1010.1.0-alpha1020.1.0-alpha1030.1.0-alpha104 Show 45 moreShow less0.1.0-alpha1050.1.0-alpha1060.1.0-alpha1070.1.0-alpha1080.1.0-alpha890.1.0-alpha900.1.0-alpha910.1.0-alpha920.1.0-alpha930.1.0-alpha940.1.0-alpha950.1.0-alpha960.1.0-alpha970.1.0-alpha980.1.0-alpha990.42.0-beta10.42.0-beta100.42.0-beta110.42.0-beta20.42.0-beta30.42.0-beta40.42.0-beta50.42.0-beta60.42.0-beta70.42.0-beta80.42.0-beta90.74.0-beta10.74.0-beta100.74.0-beta110.74.0-beta120.74.0-beta130.74.0-beta140.74.0-beta150.74.0-beta160.74.0-beta20.74.0-beta30.74.0-beta40.74.0-beta50.74.0-beta60.74.0-beta70.74.0-beta80.74.0-beta91.0.0-beta1.0.0-beta21.0.0-beta3 |
2.3.6 |
magento/community-editionPackagist |
2.4.0 up to 2.4.1-p1, plus listed versions 2.4.0-p12.4.1 |
2.4.1-p1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21018 is a critical vulnerability (CVSS 9.1) in Magento, published February 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.16%, the 90th percentile. Fixed in magento/community-edition 2.3.6.
References
Left out here: 69 versions. The JSON record has them.