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CVE-2020-9587

25
FAUCET Score

CVE-2020-9587 is an authorization bypass 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. This high-severity vulnerability (CVSS 7.5) allows an unauthenticated attacker to potentially grant unauthorized product discounts, impacting the integrity of pricing. While there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB) is not available. However, the vulnerability has garnered significant community discussion and media coverage, indicating awareness within the cybersecurity landscape.

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:N/I:H/A:N

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

Exploit Intelligence

EPSS Score
5.01%
Probability of exploitation in next 30 days
EPSS Percentile
91.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0501 is in the 85th percentile among its peer group of 51,551 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-8wm7-h2qh-ff4chigh

Magento authorization bypass vulnerability

May 24, 2022

References

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