CVE-2020-21652

CRITICAL

myucms 2.2.1 - Remote Code Execution via addqq() Method in Config Controller

Title source: llm

Description

Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can be exploited via the addqq() method.

References (2)

Core 2

Core References

Exploit, Issue Tracking, Third Party Advisory x_refsource_misc

https://github.com/lolipop1234/XXD/issues/7

Technical Description x_refsource_misc

https://cwe.mitre.org/data/definitions/96.html

Scores

CVSS v3 9.8

EPSS 0.0273

EPSS Percentile 84.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-94

Status published

Products (1)

myucms_project/myucms 2.2

Published Oct 06, 2021

Tracked Since Feb 18, 2026