What’s Vulnerable › Vulnerabilities

CVE-2021-47903: LiteSpeed Web Server Enterprise 5.4.11 - Command Injection

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-23 · updated 2026-06-17
• Weakness: CWE-78

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.

Affected products

• LiteSpeed Technologies Inc LiteSpeed Web Server Enterprise: 5.4.11

References

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

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