CVE-2021-21064 json
Magento UPWARD-php Path traversal vulnerability via UPWARD Connector
published 2021-02-25 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8455
- cvss
- 4.9
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 8.5%
- EPSS 8.5% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
8.51% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.9 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Adobe Magento Commerce
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/magento/upward-php/security
third-party-advisory
-
github.com
/magento/upward-php/security/advisories/GHSA-p4pw-hpjx-5685
third-party-advisory
Sources
- CVE List CVE-2021-21064
- NVD CVE-2021-21064
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