Vulnerability DatabaseCVE-2020-9588
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CVE-2020-9588
Published:June 26, 2020
Updated:May 17, 2026
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
Affected Packages
magento/core (PHP):
Affected version(s) >=1.6.x-dev <1.9.4.5
Fix Suggestion:
Update to version 1.9.4.5
magento/community-edition (PHP):
Affected version(s) >=dev-AC-16717 <2.3.4-p2
Fix Suggestion:
Update to version 2.3.4-p2
Related Resources (2)
https://nvd.nist.gov/vuln/detail/CVE-2020-9588
https://helpx.adobe.com/security/products/magento/apsb20-22.html
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CVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Observable Discrepancy
CWE-203
EPSS
Base Score:
1.19