CVE-2021-40102

Published on: 09/24/2021 12:00:00 AM UTC

Last Modified on: 09/30/2021 05:19:00 PM UTC

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

Certain versions of Concrete Cms from Concretecms contain the following vulnerability:

An issue was discovered in Concrete CMS through 8.5.5. Arbitrary File deletion can occur via PHAR deserialization in is_dir (PHP Object Injection associated with the __wakeup magic method).

  • CVE-2021-40102 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.

CVSS3 Score: 9.1 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE HIGH HIGH

CVSS2 Score: 6.4 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL PARTIAL

CVE References

Description Tags Link
HackerOne hackerone.com
text/html
URL Logo MISC hackerone.com/reports/921288
8.5.6 Release Notes :: Concrete CMS documentation.concretecms.org
text/html
URL Logo MISC documentation.concretecms.org/developers/introduction/version-history/856-release-notes

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationConcretecmsConcrete CmsAllAllAllAll
  • cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-40102 : An issue was discovered in Concrete CMS through 8.5.5. Arbitrary File deletion can occur via PHAR… twitter.com/i/web/status/1… 2021-09-24 15:05:57
Twitter Icon @Robo_Alerts Potentially Critical CVE Detected! CVE-2021-40102 Description: CVE-2021-40102 An issue was discovered in Concrete C… twitter.com/i/web/status/1… 2021-09-24 16:00:05
Twitter Icon @0_exploit CVE-2021-40102 dlvr.it/S8FmZT 2021-09-24 16:52:06
Twitter Icon @LinInfoSec Php - CVE-2021-40102: documentation.concretecms.org/developers/int… 2021-09-24 17:06:07
Twitter Icon @threatmeter CVE-2021-40102 An issue was discovered in Concrete CMS through 8.5.5. Arbitrary File deletion can occur via PHAR de… twitter.com/i/web/status/1… 2021-09-26 07:09:43
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