What is the CVSS score of CVE-2021-21389?

CVE-2021-21389 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 13.9%.

Is there a public PoC exploit available for CVE-2021-21389?

Yes, a public proof-of-concept exploit is available for CVE-2021-21389. Prioritise patching immediately. EPSS: 13.9%.

Is there a patch available for CVE-2021-21389?

Yes, a patch is available for CVE-2021-21389. Update the affected software to the latest version immediately.

Buddypress CVE-2021-21389

HIGH

Incorrect Authorization (CWE-863)

2021-03-26 security-advisories@github.com

WordPress Authentication Bypass Buddypress

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 26, 2021 - 21:15 nvd

HIGH 8.8

DescriptionNVD

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.

AnalysisAI

BuddyPress is an open source WordPress plugin to build a community site. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. 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. Affected products include: Buddypress. Version information: before 7.2.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.