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MitreCVE-2020-24986

HistorySep 04, 2020 - 8:15 p.m.

CVE-2020-24986

2020-09-0420:15:11

CWE-434

mitre

web.nvd.nist.gov

concrete5

file manager

unrestricted upload

file upload vulnerability

arbitrary command execution

cve-2020-24986

security vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

High

EPSS

0.001

Percentile

48.7%

JSON

Concrete5 up to and including 8.5.2 allows Unrestricted Upload of File with Dangerous Type such as a .php file via File Manager. It is possible to modify site configuration to upload the PHP file and execute arbitrary commands.

Affected configurations

Nvd

Node

concretecmsconcrete_cmsRange≤8.5.2

VendorProductVersionCPE
concretecmsconcrete_cms*cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
concretecms	concrete_cms	*	cpe:2.3:a:concretecms:concrete_cms::::::::

References

hackerone.com/reports/768322

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

High

EPSS

0.001

Percentile

48.7%

JSON

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