LiteSpeed Web Server Enterprise 5.4.11 - Command Injection
Priority HIGH 72CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01626 76th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| LiteSpeed Technologies | LiteSpeed Web Server Enterprise | 5.4.11 | — | No fix listed | CNA |
- LiteSpeed Web Server Enterprise VendorLiteSpeed Technologies Affected 5.4.11 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47903
- 2026-10-03 Alias added: GHSA-wc7g-3q2h-447c
References
More LiteSpeed Technologies vulnerabilities
- TI-2026-35606 LiteSpeed User-End cPanel Plugin before 2.4.5 allows privilege escalation (possibly to… KEVCVSS 4.0CRITICAL 10.0
- TI-2026-39296 LiteSpeed cPanel plugin before 2.4.8 (as distributed in LiteSpeed WHM PlugIn before… KEVCVSS 3.1HIGH 8.5
- TI-2024-29589 WordPress LiteSpeed Cache plugin < 6.5.0.1 - Unauthenticated Account Takeover via Cookie Leak vulnerability CVSS 3.1CRITICAL 9.8
- TI-2024-18601 WordPress LiteSpeed Cache plugin <= 6.3.0.1 - Unauthenticated Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8
- TI-2022-00030 Authenticated Remote Code Execution in OpenLiteSpeed Web Server CVSS 3.1HIGH 8.8
- TI-2023-20892 WordPress LiteSpeed Cache plugin <= 5.7 - Unauthenticated Site Wide Stored XSS vulnerability CVSS 3.1HIGH 8.3
Sources
- CVE-2021-47903 · CVE Program
- CVE-2021-47903 · NVD
- FIRST EPSS
- GHSA-wc7g-3q2h-447c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences