PT-2022-12683 · Mingsoft · Mingsoft Mcms

Published 2022-01-26 · Updated 2022-11-21 · CVE-2021-46386

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions mingSoft MCMS versions prior to and including 5.2.5

Description The issue allows remote attackers to execute arbitrary code via a crafted jspx webshell. The component affected is net.mingsoft.basic.action.web.FileAction#upload, and the attack vector is a jspx webshell. This vulnerability can result in the takeover of MCMS. The estimated number of potentially affected devices worldwide is not specified. There is no information about real-world incidents where this issue was exploited.

Recommendations For versions prior to and including 5.2.5, consider disabling the net.mingsoft.basic.action.web.FileAction#upload function to prevent file uploads until a patch is available. Restrict access to the net.mingsoft.basic.action.web.FileAction#upload component to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2021-46386

GHSA-CWX9-RP4W-4545

Affected Products

Mingsoft Mcms

References · 7

• 🔥 https://gitee.com/mingSoft/MCMS/issues/I4R0GW · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-46386 · Security Note
• https://osv.dev/vulnerability/GHSA-cwx9-rp4w-4545 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46386 · Vendor Advisory
• https://github.com/ming-soft/MCMS · Note
• https://gitee.com/mingSoft/MCMS · Note
• https://t.me/cibsecurity/36332 · Telegram Post