Magento up to 2.3.6/2.4.0-p1/2.4.1 Customer Attribute os command injection

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability has been found in Magento up to 2.3.6/2.4.0-p1/2.4.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Customer Attribute Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-78. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an OS command injection via the customer attribute save controller. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.

The weakness was disclosed 02/12/2021. It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2021-21015 since 12/18/2020. The exploitation appears to be difficult. The attack can be launched remotely. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/28/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-78
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

12/18/2020 CVE assigned
02/12/2021 +56 days Advisory disclosed
02/12/2021 +0 days VulDB entry created
02/28/2021 +16 days VulDB last update

Sourcesinfoedit

Advisory: helpx.adobe.com
Status: Not defined

CVE: CVE-2021-21015 (🔒)

Entryinfoedit

Created: 02/12/2021 11:34 AM
Updated: 02/28/2021 01:55 PM
Changes: (8) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_cve_cna vulnerability_cvss2_nvd_basescore
Complete: 🔍

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