NVD Vulnerability Detail

CVE-2021-21389

Summary	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.
Publication Date	March 27, 2021, 6:15 a.m.
Registration Date	March 27, 2021, 12:02 p.m.
Last Update	Nov. 21, 2024, 2:48 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:buddypress:buddypress::::::wordpress::*		5.0.0			7.2.1

Related information, measures and tools

No	URL	タグ
1	https://buddypress.org/2021/03/buddypress-7-2-1-security-release/	Release Notes Vendor Advisory
2	https://buddypress.org/2021/03/buddypress-7-2-1-security-release/	Release Notes Vendor Advisory
3	https://codex.buddypress.org/releases/version-7-2-1/	Release Notes Vendor Advisory
4	https://codex.buddypress.org/releases/version-7-2-1/	Release Notes Vendor Advisory
5	https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3	Third Party Advisory
6	https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3	Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

WordPress 用 BuddyPress プラグインにおける不正な認証に関する脆弱性

Title	WordPress 用 BuddyPress プラグインにおける不正な認証に関する脆弱性
Summary	WordPress 用 BuddyPress プラグインには、不正な認証に関する脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	March 16, 2021, midnight
Registration Date	Dec. 6, 2021, 4:04 p.m.
Last Update	Dec. 6, 2021, 4:04 p.m.

Affected System

BuddyPress.org

BuddyPress 5.0.0 以上 7.2.1 11 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2021-21389	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21389
National Vulnerability Database (NVD)
2	CVE-2021-21389	https://nvd.nist.gov/vuln/detail/CVE-2021-21389

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-863	https://cwe.mitre.org/data/definitions/863.html

ベンダー情報

No	Name	URL
BuddyPress
1	BuddyPress 7.2.1 Security Release	https://buddypress.org/2021/03/buddypress-7-2-1-security-release/
2	Version 7.2.1	https://codex.buddypress.org/releases/version-7-2-1/
GitHub
3	BuddyPress privilege escalation via REST API	https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3/
WordPress Plugin Directory
4	BuddyPress	https://wordpress.org/plugins/buddypress/

Change Log

No	Changed Details	Date of change
1	[2021年12月06日] 掲載	Dec. 6, 2021, 4:04 p.m.