CVE-2021-29487— Authentication bypass in Octobercms
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I. Basic Information for CVE-2021-29487
Vulnerability Information
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Vulnerability Title
Authentication bypass in Octobercms
Source: NVD (National Vulnerability Database)
Vulnerability Description
octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can exploit this vulnerability to bypass authentication and takeover of and user account on an October CMS server. The vulnerability is exploitable by unauthenticated users via a specially crafted request. This only affects frontend users and the attacker must obtain a Laravel secret key for cookie encryption and signing in order to exploit this vulnerability. The issue has been patched in Build 472 and v1.1.5.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
October CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
October CMS是一套基于PHP和Laravel Web应用程序框架的开源内容管理系统（CMS）。 October CMS 存在安全漏洞，攻击者可利用该漏洞通过精心编制的请求绕过服务器上的身份验证和用户帐户接管。攻击者必须获得用于cookie加密和签名的Laravel密钥才能利用此漏洞进行攻击。该问题已在Build 472和v1.1.5中修复
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| octobercms | october | >= 1.0.471, < 1.0.472 | - |
II. Public POCs for CVE-2021-29487
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|---|
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IV. Related Vulnerabilities
Same product: october
- CVE-2026-29179
October: Editor Sub-Permission Bypass for Asset and Blueprin - CVE-2026-27937
October: Reflected XSS via DataTable Form Widget - CVE-2026-26274
October: Safe Mode Bypass via Twig Database Write Operations - CVE-2026-26067
October: Safe Mode Bypass via CSS Preprocessor Compilers - CVE-2026-25133
October CMS has Stored XSS via SVG Filter Bypass
Same vendor: octobercms
- CVE-2026-29179
October: Editor Sub-Permission Bypass for Asset and Blueprin - CVE-2026-27937
October: Reflected XSS via DataTable Form Widget - CVE-2026-26274
October: Safe Mode Bypass via Twig Database Write Operations - CVE-2026-26067
October: Safe Mode Bypass via CSS Preprocessor Compilers - CVE-2026-25133
October CMS has Stored XSS via SVG Filter Bypass
Same weakness: CWE-287
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Industrial Application Software IAS Canias ERP Login RMI imp - CVE-2026-8216
Industrial Application Software IAS Canias ERP Java RMI Sess - CVE-2026-8214
Industrial Application Software IAS Canias ERP RMI doAction - CVE-2026-42560
auth: Patreon provider assigns the same local user ID to eve - CVE-2026-41070
openvpn-auth-oauth2 returns FUNC_SUCCESS on client-deny, all
V. Comments for CVE-2021-29487
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