CVE-2023-38220: Full page cache enumeration via cookie X-Magento-Vary

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-13 · updated 2026-06-17
Weakness: CWE-285

Description

Adobe Commerce versions 2.4.7-beta1 (and earlier), 2.4.6-p2 (and earlier), 2.4.5-p4 (and earlier) and 2.4.4-p5 (and earlier) are affected by an Improper Authorization vulnerability that could lead in a security feature bypass in a way that an attacker could access unauthorised data. Exploitation of this issue does not require user interaction.

Affected products

Adobe Commerce: 2.3.7, 2.3.7-p1, 2.3.7-p2, 2.3.7-p3, 2.3.7-p4, 2.3.7-p4-ext1 (+39)
Adobe Magento: 2.4.4, 2.4.4-p1, 2.4.4-p2, 2.4.4-p3, 2.4.5, 2.4.5-p1 (+7)

References

https://helpx.adobe.com/security/products/magento/apsb23-50.html
https://helpx.adobe.com/security/products/magento/apsb23-50.html

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