CVE-2016-20033

HIGH

7.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.17.8

SeveridadeHIGH

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

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado3/16/2026

Ultima modificacao3/19/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

wowza:streaming_engine

Fraquezas (CWE)

CWE-639

Referencias

http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5339.php(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/40132(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/wowza-streaming-engine-local-privilege-escalation-via-nssm-x64-exe(disclosure@vulncheck.com)

Correlacoes IOC

Sem correlacoes registradas

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