PT-2021-6035 · Adobe · Magento Commerce

Published 2021-08-11 · Updated 2022-05-24 · CVE-2021-36040

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Magento Commerce versions 2.4.2 and earlier Magento Commerce versions 2.4.2-p1 and earlier Magento Commerce versions 2.3.7 and earlier

Description The issue is related to improper input validation, allowing an attacker with admin privileges to upload a specially crafted file, potentially bypassing file extension restrictions. This could lead to remote code execution. An attacker can exploit this issue by uploading a specially crafted PDF file, enabling them to execute arbitrary code in the target system.

Recommendations For Magento Commerce versions 2.4.2 and earlier, update to a version that includes the fix for this issue. For Magento Commerce versions 2.4.2-p1 and earlier, update to a version that includes the fix for this issue. For Magento Commerce versions 2.3.7 and earlier, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting file uploads to prevent potential exploitation until a patch is available.

Fix

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

CWE-20

Related Identifiers

BDU:2022-00626

CVE-2021-36040

GHSA-2PQ5-GPQF-G4R3

Affected Products

Magento Commerce

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-36040 · Security Note
• https://helpx.adobe.com/security/products/magento/apsb21-64.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-36040 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-2pq5-gpqf-g4r3 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00626 · Security Note
• https://github.com/magento/magento2 · Note
• https://cybersecurity-help.cz/vdb/SB2021081043 · Note