CVE-2020-11476 : Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type su

Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type such as a .phar file.

Published 2020-07-28 21:15:14

Updated 2021-11-01 14:42:16

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-11476

Concretecms » Concrete Cms
Versions before (<) 8.5.3
cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.31%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 66 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
9.0	HIGH	AV:N/AC:L/Au:S/C:C/I:C/A:C	8.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.2	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	1.2	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-434 Unrestricted Upload of File with Dangerous Type

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Assigned by: nvd@nist.gov (Primary)

https://github.com/concrete5/concrete5/pull/8713

Add more extensions to the blacklist by KorvinSzanto · Pull Request #8713 · concrete5/concrete5 · GitHub
Patch;Third Party Advisory
https://github.com/concrete5/concrete5/releases/tag/8.5.3

Release 8.5.3 · concrete5/concrete5 · GitHub
Release Notes;Third Party Advisory

CVEs referencing this url
https://herolab.usd.de/security-advisories/usd-2020-0041/

usd-2020-0041 (CVE-2020-11476) | usd Herolab
Exploit;Third Party Advisory
https://herolab.usd.de/security-advisories/

Security Advisories | usd Herolab
Third Party Advisory

CVEs referencing this url

Jump to