CVE-2021-47903

HIGH 8.8

LiteSpeed Web Server Enterprise 5.4.11 - Command Injection

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

LiteSpeed Web Server Enterprise 5.4.11 contains an authenticated command injection vulnerability in the external app configuration interface. Authenticated administrators can inject shell commands through the 'Command' parameter in the server configuration, allowing remote code execution via path traversal and bash command injection.

CWE	CWE-78
Vendor	litespeed technologies inc
Product	litespeed web server enterprise
Published	Jan 23, 2026
Last Updated	Jul 15, 2026

Stay Ahead of the Next One

Get instant alerts for litespeed technologies inc litespeed web server enterprise

Be the first to know when new high vulnerabilities affecting litespeed technologies inc litespeed web server enterprise are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

LiteSpeed Technologies Inc / LiteSpeed Web Server Enterprise

5.4.11

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/49523 litespeedtech.com: https://www.litespeedtech.com/ litespeedtech.com: https://www.litespeedtech.com/products vulncheck.com: https://www.vulncheck.com/advisories/litespeed-web-server-enterprise-command-injection

Credits

cmOs - SunCSR