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CVE-2020-9588

24
FAUCET Score

CVE-2020-9588 is a timing discrepancy vulnerability affecting multiple versions of Adobe 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 7.2) could allow an attacker to bypass signature verification, potentially leading to significant compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered notable 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

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.54%
Probability of exploitation in next 30 days
EPSS Percentile
83.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0254 is in the 81st percentile among its peer group of 5,537 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 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-j2r4-2cr6-h3r3high

Magento Signature verification bypass

May 24, 2022

References

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