CVE-2021-42194

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.

CVSS v3 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/eyoucms/eyoucms/issues/19	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:eyoucms:eyoucms:1.5.4:*:*:*:*:*:*:*

History

29 Mar 2022, 15:21

Type	Values Removed	Values Added
First Time		Eyoucms eyoucms Eyoucms
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.5 v3 : 7.2
CWE		CWE-611
CPE		cpe:2.3:a:eyoucms:eyoucms:1.5.4:::::::*
References	~~(MISC) https://github.com/eyoucms/eyoucms/issues/19 -~~	(MISC) https://github.com/eyoucms/eyoucms/issues/19 - Exploit, Issue Tracking, Third Party Advisory

20 Mar 2022, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-03-20 22:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-42194

Mitre link : CVE-2021-42194

CVE.ORG link : CVE-2021-42194

JSON object : View

Products Affected

eyoucms

eyoucms

CWE

CWE-611

Improper Restriction of XML External Entity Reference

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