CVE-2016-20033

HIGH

7.8

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.

Details CVE

Score CVSS v3.17.8

SeveriteHIGH

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

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/16/2026

Derniere modification3/19/2026

Sourcenvd

Observations honeypot0

Produits affectes

wowza:streaming_engine

Faiblesses (CWE)

CWE-639

References

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)

Correlations IOC

Aucune correlation enregistree

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