High severity · published Jul 28, 2020
CVE-2020-11476
Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type such as a .phar file
7.2
CVSS
2.9%
EPSS
No
On KEV
Description
Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type such as a .phar file.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Concrete Cms · Concretecms
before 8.5.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11476
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11476
Patch
https://github.com/concrete5/concrete5/pull/8713
Release Notes
https://github.com/concrete5/concrete5/releases/tag/8.5.3
Third Party Advisory
https://herolab.usd.de/security-advisories/
Exploit
https://herolab.usd.de/security-advisories/usd-2020-0041/
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