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Magento Signature verification bypass

High severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 19, 2024

Package

composer magento/community-edition (Composer)

Affected versions

< 2.3.4-p2

Patched versions

2.3.4-p2
composer magento/core (Composer)
< 1.9.4.5
1.9.4.5

Description

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.

References

Published by the National Vulnerability Database Jun 26, 2020
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jan 10, 2024
Last updated Jan 19, 2024

Severity

High
7.2
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2020-9588

GHSA ID

GHSA-j2r4-2cr6-h3r3

Source code

No known source code
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