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MitreCVE-2021-43421

HistoryApr 07, 2022 - 5:15 p.m.

CVE-2021-43421

2022-04-0717:15:08

CWE-434

mitre

web.nvd.nist.gov

cve

2021

43421

file upload

studio-42

elfinder

vulnerability

connector.minimal.php

remote malicious user

arbitrary files

execute php code

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.066

Percentile

93.8%

JSON

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.

Affected configurations

Nvd

Node

std42elfinderRange2.0.4–2.1.59

VendorProductVersionCPE
std42elfinder*cpe:2.3:a:std42:elfinder:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
std42	elfinder	*	cpe:2.3:a:std42:elfinder::::::::

References

github.com/Studio-42/elFinder/issues/3429

twitter.com/infosec_90/status/1455180286354919425

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.066

Percentile

93.8%

JSON

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