CVE-2021-27903

An issue was discovered in Craft CMS before 3.6.7. In some circumstances, a potential Remote Code Execution vulnerability existed on sites that did not restrict administrative changes (if an attacker were somehow able to hijack an administrator's session).

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23	Release Notes Third Party Advisory
https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security	Release Notes Third Party Advisory
https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-06-30 12:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-27903

Mitre link : CVE-2021-27903

CVE.ORG link : CVE-2021-27903

JSON object : View

Products Affected

craftcms

craft_cms

CWE

CWE-862

Missing Authorization

{"id": "CVE-2021-27903", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-06-30T12:15:07.643", "references": [{"url": "https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Craft CMS before 3.6.7. In some circumstances, a potential Remote Code Execution vulnerability existed on sites that did not restrict administrative changes (if an attacker were somehow able to hijack an administrator's session)."}, {"lang": "es", "value": "Se ha detectado un problema en Craft CMS versiones anteriores a 3.6.7. En algunas circunstancias, se presentaba una potencial vulnerabilidad de ejecuci\u00f3n de c\u00f3digo remota en sitios que no restring\u00edan los cambios administrativos (si un atacante era capaz de secuestrar de alguna manera la sesi\u00f3n de un administrador)"}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "40D1F646-C726-40FB-AB67-3B6DE806C3D3", "versionEndExcluding": "3.6.7"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}