CVE-2021-36021 json
Magento Commerce CMS Page Improper Input Validation Could Lead To Remote Code Execution
published 3y ago modified 2mo ago also BIT-magento-2021-36021 , EUVD-2021-22654 , GHSA-4g27-q2w9-m8m8
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
Magento versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an Improper input validation vulnerability within the CMS page scheduled update feature. An authenticated attacker with administrative privilege could leverage this vulnerability to achieve remote code execution on the system.
Patch / fix
- packagist magento/community-edition 2.3.7-p1, 2.4.2-p2
- bitnami magento 2.3.7, 2.4.2
- magento magento 2.3.7, 2.4.2
Is CVE-2021-36021 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2y ago
Exploit prediction
2.01% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).
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 |
| GitHub | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| OSV | 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 | magento/project-community-edition | <=2.0.2 |
no fix listed |
| packagist | magento/community-edition | <2.3.7-p1 1 listed version >=2.4.2-p1, <2.4.2-p2 |
2.3.7-p1 2.4.2-p2 |
| bitnami | magento | <2.3.7 >=2.4.0, <2.4.2 |
2.3.7 2.4.2 |
Affected products
- Adobe Adobe Commerce
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
helpx.adobe.com
/security/products/magento/apsb21-64.html
vendor-advisory, web, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-36021
advisory, web
-
github.com
/magento/magento2
package
Sources
- CVE List CVE-2021-36021
- GitHub Advisory GHSA-4g27-q2w9-m8m8
- NVD CVE-2021-36021
- OSV BIT-magento-2021-36021
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.