CVE-2020-15277 Remote Code Execution in baserCMS
An authenticated administrator can upload executable scripts to achieve remote code execution in baserCMS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-15277?
CVE-2020-15277 is a high-severity vulnerability in Basercms Basercms, published on 30 Oct 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
baserCMS before version 4.4.1 is affected by Remote Code Execution (RCE). Code may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file. The Edit template component is vulnerable. The issue is fixed in version 4.4.1.
Weakness: CWE-434
Which versions are affected by CVE-2020-15277?
2 open source packages ship an affected version, including baserproject/basercms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
baserproject/basercms Packagist | From 4.4.0 | 4.4.1 |
baserproject/basercms Packagist | From 4.4.0 | 4.4.1 |
Products include Basercms Basercms.
How do I fix CVE-2020-15277?
Upgrade baserproject/basercms to 4.4.1 or later.
Is CVE-2020-15277 being exploited?
There is no known exploitation of CVE-2020-15277 in the wild and no public exploit code.
Other vulnerabilities in Basercms Basercms
- CVE-2023-25654 baserCMS File Uploader Remote Code Execution (RCE) vulnerability
- CVE-2023-25655 baserCMS allows any file to be uploaded
- CVE-2017-10842 baserCMS SQL Injection vulnerability
- CVE-2026-30880 baserCMS: OS command injection vulnerability in installer
- CVE-2026-21861 baserCMS: OS Command Injection Leading to Remote Code Execution (RCE)
Sources
Also known as GHSA-6fmv-q269-55cw.