AUGUST 4, 2026
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Case File

CVE-2021-41243

CRITICAL · CVSS 9.1 EPSS 2.17% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-26 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-41243
Severity
CRITICAL
CVSS
9.1
EPSS
2.17%

Original NVD Description

There is a Potential Zip Slip Vulnerability and OS Command Injection Vulnerability on the management system of baserCMS. Users with permissions to upload files may upload crafted zip files which may execute arbitrary commands on the host operating system. This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users. If you are eligible, please update to the new version as soon as possible.