CVE-2021-43421

A File Upload vulnerability exists in Studio-42 elFinder 2.0.4 to 2.1.59 via connector.minimal.php, which allows a remote malicious user to upload arbitrary files and execute PHP code.

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
https://github.com/Studio-42/elFinder/issues/3429	Exploit Issue Tracking Third Party Advisory
https://twitter.com/infosec_90/status/1455180286354919425	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:std42:elfinder:*:*:*:*:*:*:*:*

History

13 Apr 2022, 20:30

Type	Values Removed	Values Added
CWE		CWE-434
CPE		cpe:2.3:a:std42:elfinder::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
First Time		Std42 elfinder Std42
References	~~(MISC) https://github.com/Studio-42/elFinder/issues/3429 -~~	(MISC) https://github.com/Studio-42/elFinder/issues/3429 - Exploit, Issue Tracking, Third Party Advisory
References	~~(MISC) https://twitter.com/infosec_90/status/1455180286354919425 -~~	(MISC) https://twitter.com/infosec_90/status/1455180286354919425 - Third Party Advisory

07 Apr 2022, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-04-07 17:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-43421

Mitre link : CVE-2021-43421

CVE.ORG link : CVE-2021-43421

JSON object : View

Products Affected

std42

elfinder

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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