Vulnerability Details : 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.
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-21020
- cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
- cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
- cpe:2.3:a:magento:magento:2.3.6:-:*:*:commerce:*:*:*
- cpe:2.3:a:magento:magento:2.3.6:-:*:*:open_source:*:*:*
- cpe:2.3:a:magento:magento:2.4.0:-:*:*:commerce:*:*:*
- cpe:2.3:a:magento:magento:2.4.0:-:*:*:open_source:*:*:*
- cpe:2.3:a:magento:magento:2.4.0:p1:*:*:commerce:*:*:*
- cpe:2.3:a:magento:magento:2.4.0:p1:*:*:open_source:*:*:*
- cpe:2.3:a:magento:magento:2.4.1:-:*:*:commerce:*:*:*
- cpe:2.3:a:magento:magento:2.4.1:-:*:*:open_source:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21020
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21020
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N |
1.6
|
3.6
|
Adobe Systems Incorporated |
CWE ids for CVE-2021-21020
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: psirt@adobe.com (Secondary)
References for CVE-2021-21020
-
https://helpx.adobe.com/security/products/magento/apsb21-08.html
Adobe Security BulletinVendor Advisory
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