Security readout for executives and security teams
Wowza Streaming Engine 4.5.0 can let a low-privileged local user become LocalSystem by replacing service executables because installation permissions are too broad. This is serious on servers where users, support tools, or compromised accounts have local access. It is not a remote-entry vulnerability by itself. Exposure is limited to systems running Wowza Streaming Engine 4.5.0 where untrusted or compromised authenticated users can access the host filesystem. Internet exposure matters less than local account exposure, remote management pathways, and endpoint compromise risk. Prioritize remediation for production Wowza servers with multiple local users, remote administration, or high-value media workloads. If version 4.5.0 is present, reduce local access immediately and seek vendor-supported upgrade or remediation guidance. Mitigation focus: Inventory Wowza Streaming Engine installations and identify version 4.5.0.; Restrict local interactive and remote login access to Wowza hosts.; Review vendor guidance for fixed versions or official remediation..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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ATT&CK lookup starting points
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Open ATT&CK lookupPrivilege behavior lookup
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Open ATT&CK lookupCVE-2016-20033 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.5 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.5HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-40132CVE reference · exploit
- VulnCheck Advisory: Wowza Streaming Engine 4.5.0 Local Privilege Escalation via nssm_x64.exeCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.