8.8
HIGH
CVE-2021-21389
BuddyPress Unauthenticated RCE Via REST API Members Endpoint
Description

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.

INFO

Published Date :

March 26, 2021, 9:15 p.m.

Last Modified :

April 1, 2021, 3:45 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2021-21389 has a 9 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-21389 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Buddypress buddypress
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-21389.

URL 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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

All CVE - PoC in GitHub

poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate

Updated: 1 month ago
5 stars 2 fork 2 watcher
Born at : March 22, 2024, 3:58 p.m. This repo has been linked 928 different CVEs too.

None

Updated: 6 months, 2 weeks ago
1 stars 0 fork 0 watcher
Born at : March 11, 2024, 1:21 p.m. This repo has been linked 930 different CVEs too.

None

Updated: 1 year, 6 months ago
0 stars 2 fork 2 watcher
Born at : April 8, 2023, 6:19 a.m. This repo has been linked 923 different CVEs too.

None

Updated: 7 months, 2 weeks ago
20 stars 3 fork 3 watcher
Born at : Feb. 14, 2023, 6:10 p.m. This repo has been linked 921 different CVEs too.

None

Updated: 7 months, 1 week ago
2 stars 2 fork 2 watcher
Born at : Nov. 25, 2022, 5:43 p.m. This repo has been linked 930 different CVEs too.

None

Updated: 3 months ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.

Method: Privilege Escalation to Administrator and trigger RCE via REST API

Python Dockerfile Shell PHP

Updated: 2 years, 9 months ago
1 stars 0 fork 0 watcher
Born at : June 3, 2021, 7:55 a.m. This repo has been linked 1 different CVEs too.

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.

Shell PHP Python Dockerfile

Updated: 1 month, 2 weeks ago
17 stars 6 fork 6 watcher
Born at : May 31, 2021, 2:12 p.m. This repo has been linked 1 different CVEs too.

essential templates for kenzer [DEPRECATED]

kenzer vulnerabilities kenzer-templates arpsyndicate

Python Shell Ruby

Updated: 1 month, 2 weeks ago
106 stars 32 fork 32 watcher
Born at : Sept. 18, 2020, 9:03 p.m. This repo has been linked 1653 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-21389 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-21389 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Apr. 01, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://buddypress.org/2021/03/buddypress-7-2-1-security-release/ No Types Assigned https://buddypress.org/2021/03/buddypress-7-2-1-security-release/ Release Notes, Vendor Advisory
    Changed Reference Type https://codex.buddypress.org/releases/version-7-2-1/ No Types Assigned https://codex.buddypress.org/releases/version-7-2-1/ Release Notes, Vendor Advisory
    Changed Reference Type https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3 No Types Assigned https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:buddypress:buddypress:*:*:*:*:*:wordpress:*:* versions from (including) 5.0.0 up to (excluding) 7.2.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-21389 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-21389 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

82.40 }} -0.74%

score

0.98473

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability