CVE-2021-33990 File upload in n/a
An attacker could potentially upload malicious files via the file upload interface in Liferay Portal, leading to code execution.
- 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-2021-33990?
CVE-2021-33990 is a critical vulnerability in Liferay Liferay Portal, published on 16 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Liferay Portal 6.2.5 allows Command=FileUpload&Type=File&CurrentFolder=/ requests when frmfolders.html exists. NOTE: The vendor disputes this issue because the exploit reference link only shows frmfolders.html is accessible and does not demonstrate how an unauthorized user can upload a file.
Which versions are affected by CVE-2021-33990?
It affects 1 product.
Products include Liferay Liferay Portal.
How do I fix CVE-2021-33990?
No fix has been published for CVE-2021-33990 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-33990 being exploited?
There is no known exploitation of CVE-2021-33990 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Liferay Liferay Portal
- CVE-2020-7961 Liferay Portal Deserialization of Untrusted Data
- CVE-2019-16891 Liferay Portal Allows RCE via Deserialization of a JSON Payload
- CVE-2023-47797 Liferay Portal XSS with `p_l_back_url_title` on edit content page
- CVE-2020-13445 Liferay Portal and Liferay DXP Vulnerable to Arbitrary Code Execution
- CVE-2018-10795 File upload in n/a
Sources
Also known as GHSA-8r46-m6m6-r9pq.