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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Affected Vendors & Products
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History
Mon, 16 Mar 2026 15:15:00 +0000
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ssvc
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Sun, 15 Mar 2026 19:00:00 +0000
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| 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 |
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| Weaknesses | CWE-639 | |
| CPEs | cpe:2.3:a:wowza:streaming_engine:4.5.0:*:*:*:*:*:*:* | |
| Vendors & Products |
Wowza
Wowza streaming Engine |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-03-15T18:34:21.181Z
Updated: 2026-03-16T14:30:30.462Z
Reserved: 2026-03-15T18:21:47.205Z
Link: CVE-2016-20033
Updated: 2026-03-16T14:21:05.914Z
Status : Analyzed
Published: 2026-03-16T14:17:50.297
Modified: 2026-03-19T14:16:04.273
Link: CVE-2016-20033
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