CVE-2020-5295— Local File read vulnerability in OctoberCMS
Quick assessment
Affected
octobercms october
Exploitation
High exploitation probability; assess promptly
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 CMS（composer）1.0.319及之后版本（已在1.0.466版本中修复）中存在安全漏洞。攻击者可利用该漏洞读取October CMS服务器的本地文件。
Public Exploits 1
ExploitDB · 1
EDB-49045 [webapps]
Possible ATT&CK Techniques 1 AI
T1083 · File and Directory Discovery
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I. Basic Information for CVE-2020-5295
Vulnerability Information
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Vulnerability Title
Local File read vulnerability in OctoberCMS
Source: CVE Program / CVE List V5
Vulnerability Description
In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to read local files of an October CMS server. The vulnerability is only exploitable by an authenticated backend user with the `cms.manage_assets` permission. Issue has been patched in Build 466 (v1.0.466).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
PHP程序中Include/Require语句包含文件控制不恰当(PHP远程文件包含)
Source: CVE Program / CVE List V5
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（composer）1.0.319及之后版本（已在1.0.466版本中修复）中存在安全漏洞。攻击者可利用该漏洞读取October CMS服务器的本地文件。
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, < 1.0.466 | - |
|
II. Public POCs for CVE-2020-5295
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2020-5295 (1)
Vendor Advisories for CVE-2020-5295 (1)
-
https://github.com/octobercms/october/security/advisories/GHSA-r23f-c2j5-rx2f x_refsource_CONFIRM
Exploits & Public PoCs for CVE-2020-5295 (1)
Mailing List Discussions for CVE-2020-5295 (1)
Same Patch Batch · octobercms · 2020-06-03 · 5 CVEs total
| CVE-2020-5296 | 6.2 MEDIUM | Arbitrary File Deletion vulnerability in OctoberCMS |
| CVE-2020-5298 | 4.0 MEDIUM | Reflected XSS when importing CSV in OctoberCMS |
| CVE-2020-5299 | 4.0 MEDIUM | Potential CSV Injection vector in OctoberCMS |
| CVE-2020-5297 | 3.4 LOW | Upload whitelisted files to any directory in OctoberCMS |
IV. Related Vulnerabilities
Same product: october
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CVE-2026-49400
October CMS: PHP Object Injection via Backend Widget Session -
CVE-2026-29179
October: Editor Sub-Permission Bypass for Asset and Blueprin -
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October: Safe Mode Bypass via CSS Preprocessor Compilers
Same vendor: octobercms
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CVE-2026-49400
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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
Same weakness: CWE-98
-
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V. Comments for CVE-2020-5295
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