CVE-2021-47903

8.6 highEPSS 1.6%

High (8.6). EPSS 1.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.6 high

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

CVSS 3.1

8.8 high

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2026-01-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

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

Check your stack JSON