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CVE-2021-21014

29
FAUCET Score

CVE-2021-21014 is a critical file upload restriction bypass vulnerability affecting Adobe Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier), and 2.3.6 (and earlier). An authenticated attacker with admin console access can exploit this flaw to achieve arbitrary code execution. With a CVSS score of 9.1, this vulnerability poses a high risk due to its network-based attack vector and complete compromise potential. While no public exploits or active exploitation have been observed, and community discussion is minimal, the high severity warrants immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.3.6CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
< 2.3.6CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
2.3.6CPE matchmatch criteria
cpe:2.3:a:magento:magento:2.3.6:-:*:*:commerce:*:*:*
2.3.6CPE matchmatch criteria
cpe:2.3:a:magento:magento:2.3.6:-:*:*:open_source:*:*:*
2.4.0CPE matchmatch criteria
cpe:2.3:a:magento:magento:2.4.0:-:*:*:commerce:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.1CRITICAL

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.21%
Probability of exploitation in next 30 days
EPSS Percentile
89.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0421 is in the 90th percentile among its peer group of 462 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.7 Bluesky, 0.4 Mastodon, and 1.7 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: magento/community-editionFixed in: 2.3.6-p1
composerpatch availablevia ghsa
Product: magento/community-editionFixed in: 2.4.2
adobevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-269w-pqc7-68q9critical

Magento vulnerable to a file upload restriction bypass

May 24, 2022

References

helpx.adobe.com / security/products/magento/apsb21-08.html
Vendor Advisory