CVE-2020-35616 [20201107] - Core - Write ACL violation in multiple core views
Attackers can violate write ACL rules in Joomla core views due to lack of input validation, allowing unauthorized data modification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-35616?
CVE-2020-35616 is a high-severity missing authorization vulnerability in Joomla Joomla\!, published on 28 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2020-35616?
1 open source package ship an affected version, including joomla. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
joomla Bitnami | From 1.7.0 to 3.9.22 | None |
Products include Joomla Joomla\!.
How do I fix CVE-2020-35616?
No fix has been published for CVE-2020-35616 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-35616 being exploited?
There is no known exploitation of CVE-2020-35616 in the wild and no public exploit code.
Other vulnerabilities in Joomla Joomla\!
- CVE-2016-10033 PHPMailer Command Injection
- CVE-2023-23752 Joomla! Improper Access Control
- CVE-2026-48902 Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset links
- CVE-2025-25226 [20250401] - Joomla Framework - SQL injection vulnerability in quoteNameStr method of Database package
- CVE-2022-23795 [20220303] - Core - User row are not bound to a authentication mechanism
Sources
Also known as BIT-joomla-2020-35616, GHSA-363c-g524-mqxp.