Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2020-15248— Privilege escalation by backend users assigned to the default "Publisher" system role

Quick assessment

Affected
octobercms october
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 1.0.319和1.0.470之前版本存在安全漏洞，该漏洞源于具有默认“Publisher”系统角色的后端用户可以创建和管理用户，他们可以选择新用户的角色。这意味着具有“发布者”访问权限的用户能够将其访问权限升级为“开发人员”访问权限。

CVSS 4.0 · Medium EPSS 0.31% · P24

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2020-15248

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Privilege escalation by backend users assigned to the default "Publisher" system role
Source: CVE Program / CVE List V5
Vulnerability Description
October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default "Publisher" system role have access to create & manage users where they can choose which role the new user has. This means that a user with "Publisher" access has the ability to escalate their access to "Developer" access. Issue has been patched in Build 470 (v1.0.470) & v1.1.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
October CMS 权限许可和访问控制问题漏洞
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 1.0.319和1.0.470之前版本存在安全漏洞，该漏洞源于具有默认“Publisher”系统角色的后端用户可以创建和管理用户，他们可以选择新用户的角色。这意味着具有“发布者”访问权限的用户能够将其访问权限升级为“开发人员”访问权限。
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 >= 1.0.319, < 1.0.470 -

II. Public POCs for CVE-2020-15248

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2020-15248

请登录查看更多情报信息。

Patches & Fixes for CVE-2020-15248 (1)

Vendor Advisories for CVE-2020-15248 (1)

Same Patch Batch · octobercms · 2020-11-23 · 5 CVEs total

CVE-2020-15246 7.5 HIGH Local File Inclusion by unauthenticated users
CVE-2020-15247 5.2 MEDIUM Twig Sandbox Escape by authenticated users with access to editing CMS templates when safem
CVE-2020-26231 5.2 MEDIUM Bypass of fix for CVE-2020-15247, Twig sandbox escape
CVE-2020-15249 2.8 LOW Stored XSS by authenticated backend user with access to upload files

IV. Related Vulnerabilities

Same product: october
Same vendor: octobercms
Same weakness: CWE-863

V. Comments for CVE-2020-15248

No comments yet

Leave a comment