CVE-2021-40108

An issue was discovered in Concrete CMS through 8.5.5. The Calendar is vulnerable to CSRF. ccm_token is not verified on the ccm/calendar/dialogs/event/add/save endpoint.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes	Release Notes Vendor Advisory
https://hackerone.com/reports/1102018	Permissions Required
https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes	Release Notes Vendor Advisory
https://hackerone.com/reports/1102018	Permissions Required

Configurations

Configuration 1 (hide)

cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:23

Type	Values Removed	Values Added
References	~~() https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes - Release Notes, Vendor Advisory~~	() https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes - Release Notes, Vendor Advisory
References	~~() https://hackerone.com/reports/1102018 - Permissions Required~~	() https://hackerone.com/reports/1102018 - Permissions Required

Information

Published : 2021-09-27 13:15

Updated : 2024-11-21 06:23

NVD link : CVE-2021-40108

Mitre link : CVE-2021-40108

CVE.ORG link : CVE-2021-40108

JSON object : View

Products Affected

concretecms

concrete_cms

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

{"id": "CVE-2021-40108", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-09-27T13:15:08.063", "references": [{"url": "https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://hackerone.com/reports/1102018", "tags": ["Permissions Required"], "source": "cve@mitre.org"}, {"url": "https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://hackerone.com/reports/1102018", "tags": ["Permissions Required"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-352"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Concrete CMS through 8.5.5. The Calendar is vulnerable to CSRF. ccm_token is not verified on the ccm/calendar/dialogs/event/add/save endpoint."}, {"lang": "es", "value": "Se ha detectado un problema en Concrete CMS versiones hasta 8.5.5. El Calendario es vulnerable a un ataque de tipo CSRF. La funci\u00f3n ccm_token no se verifica en el endpoint ccm/calendar/dialogs/event/add/save"}], "lastModified": "2024-11-21T06:23:34.977", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "396CE6F6-1989-443E-A894-A2547A0431BB", "versionEndExcluding": "8.5.6"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}