CVE-2021-21389

BuddyPress is an open source WordPress plugin to build a community site. In releases of BuddyPress from 5.0.0 before 7.2.1 it's possible for a non-privileged, regular user to obtain administrator rights by exploiting an issue in the REST API members endpoint. The vulnerability has been fixed in BuddyPress 7.2.1. Existing installations of the plugin should be updated to this version to mitigate the issue.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://buddypress.org/2021/03/buddypress-7-2-1-security-release/	Release Notes Vendor Advisory
https://codex.buddypress.org/releases/version-7-2-1/	Release Notes Vendor Advisory
https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:buddypress:buddypress:*:*:*:*:*:wordpress:*:*

History

No history.

Information

Published : 2021-03-26 21:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-21389

Mitre link : CVE-2021-21389

CVE.ORG link : CVE-2021-21389

JSON object : View

Products Affected

buddypress

buddypress

CWE

CWE-863

Incorrect Authorization

{"id": "CVE-2021-21389", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "published": "2021-03-26T21:15:13.520", "references": [{"url": "https://buddypress.org/2021/03/buddypress-7-2-1-security-release/", "tags": ["Release Notes", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://codex.buddypress.org/releases/version-7-2-1/", "tags": ["Release Notes", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "BuddyPress is an open source WordPress plugin to build a community site. In releases of BuddyPress from 5.0.0 before 7.2.1 it's possible for a non-privileged, regular user to obtain administrator rights by exploiting an issue in the REST API members endpoint. The vulnerability has been fixed in BuddyPress 7.2.1. Existing installations of the plugin should be updated to this version to mitigate the issue."}, {"lang": "es", "value": "BuddyPress es un plugin de WordPress de c\u00f3digo abierto para crear un sitio comunitario. En versiones de BuddyPress de 5.0.0 versiones anteriores a 7.2.1, es posible para un usuario regular sin privilegios obtener derechos de administrador al explotar un problema en el endpoint de los miembros de la API REST. La vulnerabilidad ha sido corregida en BuddyPress versi\u00f3n 7.2.1. Las instalaciones existentes del plugin deben actualizarse a esta versi\u00f3n para mitigar el problema."}], "lastModified": "2021-04-01T15:45:05.237", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:buddypress:buddypress:*:*:*:*:*:wordpress:*:*", "vulnerable": true, "matchCriteriaId": "22E0A24D-C677-49B3-AD8D-4D5F342F1CBF", "versionEndExcluding": "7.2.1", "versionStartIncluding": "5.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}