CVE-2020-20670 File upload in n/a
Attackers can execute arbitrary code by uploading a crafted HTML file to the media upload endpoint in ZKEACMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-20670?
CVE-2020-20670 is a high-severity vulnerability in n/a, published on 13 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An arbitrary file upload vulnerability in /admin/media/upload of ZKEACMS V3.2.0 allows attackers to execute arbitrary code via a crafted HTML file.
Weakness: CWE-434
Which versions are affected by CVE-2020-20670?
It affects 1 product.
Products include Zkea Zkeacms.
How do I fix CVE-2020-20670?
No fix has been published for CVE-2020-20670 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-20670 being exploited?
There is no known exploitation of CVE-2020-20670 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2025-52239 File upload in n/a
- CVE-2022-29362 Cross-site Scripting in ZKEACMS
- CVE-2025-10764 SeriaWei ZKEACMS Event Action System PendingTaskController.cs Edit server-side request forgery
- CVE-2025-10766 SeriaWei ZKEACMS EventViewerController.cs Download path traversal
- CVE-2025-10471 ZKEACMS MediaController.cs Proxy server-side request forgery
Sources
Also known as GHSA-w2gx-ph96-cxcc.