Wowza Streaming Engine 4.5.0 contains a local privilege escalation vulnerability that allows authenticated users to escalate privileges by replacing executable files due to improper file permissions granting full access to the Everyone group. Attackers can replace the nssm_x64.exe binary in the manager and engine service directories with malicious executables to execute code with LocalSystem privileges when services restart.
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History
Sun, 15 Mar 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Wowza Streaming Engine 4.5.0 contains a local privilege escalation vulnerability that allows authenticated users to escalate privileges by replacing executable files due to improper file permissions granting full access to the Everyone group. Attackers can replace the nssm_x64.exe binary in the manager and engine service directories with malicious executables to execute code with LocalSystem privileges when services restart. | |
| Title | Wowza Streaming Engine 4.5.0 Local Privilege Escalation via nssm_x64.exe | |
| First Time appeared |
Wowza
Wowza streaming Engine |
|
| Weaknesses | CWE-639 | |
| CPEs | cpe:2.3:a:wowza:streaming_engine:4.5.0:*:*:*:*:*:*:* | |
| Vendors & Products |
Wowza
Wowza streaming Engine |
|
| References |
| |
| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-03-15T18:34:21.181Z
Reserved: 2026-03-15T18:21:47.205Z
Link: CVE-2016-20033
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Weaknesses