CVE-2021-21020

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an access control bypass vulnerability in the Login as Customer module. Successful exploitation could lead to unauthorized access to restricted resources.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
adobeCNA
5.3 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
VendorProductVersion
magentomagento
𝑥
< 2.3.6
magentomagento
𝑥
< 2.3.6
magentomagento
2.3.6
magentomagento
2.3.6
magentomagento
2.4.0
magentomagento
2.4.0
magentomagento
2.4.0:p1
magentomagento
2.4.0:p1
magentomagento
2.4.1
magentomagento
2.4.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://helpx.adobe.com/security/products/magento/apsb21-08.html
https://helpx.adobe.com/security/products/magento/apsb21-08.html