CVE-2021-39497

eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject a url to trigger blind SSRF via the saveRemote() function.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://hptcybersec.com/ssrf_PoC.jpg	Broken Link
https://github.com/KietNA-HPT/CVE	Exploit Third Party Advisory
https://github.com/eyoucms/eyoucms/releases/tag/v1.5.4	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

14 Sep 2021, 18:53

Type	Values Removed	Values Added
CWE		CWE-918
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
References	~~(MISC) https://github.com/eyoucms/eyoucms/releases/tag/v1.5.4 -~~	(MISC) https://github.com/eyoucms/eyoucms/releases/tag/v1.5.4 - Third Party Advisory
References	~~(MISC) https://github.com/KietNA-HPT/CVE -~~	(MISC) https://github.com/KietNA-HPT/CVE - Exploit, Third Party Advisory
References	~~(MISC) http://hptcybersec.com/ssrf_PoC.jpg -~~	(MISC) http://hptcybersec.com/ssrf_PoC.jpg - Broken Link
CPE		cpe:2.3:a:eyoucms:eyoucms:1.5.4:::::::*

07 Sep 2021, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-09-07 20:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-39497

Mitre link : CVE-2021-39497

CVE.ORG link : CVE-2021-39497

JSON object : View

Products Affected

eyoucms

eyoucms

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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