CVE-2021-42194

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The wechat_return function in /controller/Index.php of EyouCms V1.5.4-UTF8-SP3 passes the user's input directly into the simplexml_ load_ String function, which itself does not prohibit external entities, triggering a XML external entity (XXE) injection vulnerability.

La función wechat_return en el archivo /controller/Index.php de EyouCms versión V1.5.4-UTF8-SP3, pasa la entrada del usuario directamente a la función simplexml_ load_ String, que por sí misma no prohíbe las entidades externas, desencadenando una vulnerabilidad de tipo XML external entity (XXE)

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-10-11 CVE Reserved
2022-03-20 CVE Published
2023-10-11 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-611: Improper Restriction of XML External Entity Reference

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/eyoucms/eyoucms/issues/19	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Eyoucms Search vendor "Eyoucms"		Eyoucms Search vendor "Eyoucms" for product "Eyoucms"				1.5.4 Search vendor "Eyoucms" for product "Eyoucms" and version "1.5.4"		-		Affected