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CVE-2020-9591

25
FAUCET Score

CVE-2020-9591 is a defense-in-depth security mitigation vulnerability affecting multiple versions of Magento, including 2.3.4 and earlier, 2.2.11 and earlier, 1.14.4.4 and earlier, and 1.9.4.4 and earlier. Rated High with a CVSS score of 7.5, this vulnerability allows for unauthorized access to the admin panel with low attack complexity and no user interaction required. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.9.4.4CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:community:*:*:*
<= 1.14.4.4CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:enterprise:*:*:*
>= 2.2.0, <= 2.2.11CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
>= 2.2.0, <= 2.2.11CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
>= 2.3.0, <= 2.3.4CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.43%
Probability of exploitation in next 30 days
EPSS Percentile
87.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0343 is in the 78th percentile among its peer group of 51,553 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.1 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: 2.3.4-p2
composerpatch availablevia ghsa
Product: magento/coreFixed in: 1.9.4.5
adobevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-w7rh-9w5v-rwqjhigh

Magento defense-in-depth security mitigation vulnerability

May 24, 2022

References

helpx.adobe.com / security/products/magento/apsb20-22.html
Vendor Advisory