CVE-2020-35616— [20201107] - Core - Write ACL violation in multiple core views
Quick assessment
Affected
Joomla! Project Joomla! CMS
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.
Joomla是美国Open Source Matters团队的一套使用PHP和MySQL开发的开源、跨平台的内容管理系统(CMS)。 Joomla! 2.5.0版本至3.9.22版本存在安全漏洞，该漏洞源于在处理ACL规则集时缺少输入验证可能会导致写ACL冲突。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-35616
Vulnerability Information
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Vulnerability Title
[20201107] - Core - Write ACL violation in multiple core views
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Joomla! 1.7.0 through 3.9.22. Lack of input validation while handling ACL rulesets can cause write ACL violations.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Joomla! 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joomla是美国Open Source Matters团队的一套使用PHP和MySQL开发的开源、跨平台的内容管理系统(CMS)。 Joomla! 2.5.0版本至3.9.22版本存在安全漏洞，该漏洞源于在处理ACL规则集时缺少输入验证可能会导致写ACL冲突。
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 |
|---|---|---|---|---|
| Joomla! Project | Joomla! CMS | 1.7.0 - 3.9.22 | - |
|
II. Public POCs for CVE-2020-35616
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2020-35616 (1)
-
https://developer.joomla.org/security-centre/834-20201107-core-write-acl-violation-in-multiple-core-views.html x_refsource_MISC vendor-advisory
Same Patch Batch · Joomla! Project · 2020-12-28 · 7 CVEs total
| CVE-2020-35615 | [20201106] - Core - CSRF in com_privacy emailexport feature | |
| CVE-2020-35610 | [20201101] - Core - com_finder ignores access levels on autosuggest | |
| CVE-2020-35611 | [20201102] - Core - Disclosure of secrets in Global Configuration page | |
| CVE-2020-35612 | [20201103] - Core - Path traversal in mod_random_image | |
| CVE-2020-35613 | [20201104] - Core - SQL injection in com_users list view | |
| CVE-2020-35614 | [20201105] - Core - User Enumeration in backend login |
IV. Related Vulnerabilities
Same product: Joomla! CMS
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CVE-2026-90915
Joomla! Core - [20260905] - Core - Arbitrary directory delet -
CVE-2026-92226
Joomla! Core - [20260913] - Core - Improper ACL checks for v -
CVE-2026-92224
Joomla! Core - [20260911] - Core - XSS in link toolbar layou -
CVE-2026-90907
Joomla! Core - [20260902] - Core - Unauthorized user account -
CVE-2026-90914
Joomla! Core - [20260904] - Core - XSS in the generic media
Same vendor: Joomla! Project
-
CVE-2026-90915
Joomla! Core - [20260905] - Core - Arbitrary directory delet -
CVE-2026-92226
Joomla! Core - [20260913] - Core - Improper ACL checks for v -
CVE-2026-92224
Joomla! Core - [20260911] - Core - XSS in link toolbar layou -
CVE-2026-90907
Joomla! Core - [20260902] - Core - Unauthorized user account -
CVE-2026-90914
Joomla! Core - [20260904] - Core - XSS in the generic media
V. Comments for CVE-2020-35616
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