Medium severity · published Sep 23, 2021
CVE-2021-22950
Concrete CMS prior to 8.5.6 had a CSFR vulnerability allowing attachments to comments in the conversation section to be deleted.Credit for discovery: "Solar Security Research Team"
6.5
CVSS
0.4%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Concrete Cms · Concretecms
before 8.5.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22950
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22950
Release Notes
https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes
Permissions Required
https://hackerone.com/reports/1102177
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