CVE-2021-47903

LiteSpeed Web Server Enterprise 5.4.11 - Command Injection

Published Jan 23, 2026 CVSS 4.0 · 8.6 High EPSS 1.6% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Litespeedtech
Litespeedtech litespeed Web Server
CPEs cpe:2.3:a:litespeedtech:litespeed_web_server:5.4.11:*:*:*:*:*:*:*
Vendors & Products Litespeedtech
Litespeedtech litespeed Web Server
Type Values Removed Values Added
First Time appeared Litespeed Technologies
Litespeed Technologies litespeed Web Server
Vendors & Products Litespeed Technologies
Litespeed Technologies litespeed Web Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title LiteSpeed Web Server Enterprise 5.4.11 - Command Injection
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 15, 2026, 1:24 AM
Reserved
Jan 18, 2026, 12:35 PM
Status
Deferred
Published
Jan 23, 2026, 5:16 PM
Modified
Jun 17, 2026, 4:18 AM