Vulnerability Details : CVE-2021-40099
An issue was discovered in Concrete CMS through 8.5.5. Fetching the update json scheme over HTTP leads to remote code execution.
Vulnerability category: Execute code
Products affected by CVE-2021-40099
- cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-40099
0.61%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-40099
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
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 |
References for CVE-2021-40099
-
https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes
ERROR: The request could not be satisfiedRelease Notes;Vendor Advisory
-
https://hackerone.com/reports/982130
#982130 Fetching the update json scheme from concrete5 over HTTP leads to remote code executionPermissions Required;Third Party Advisory
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