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Vulnerability record · CVE-2019-19455 · published 3 August 2020

CVE-2019-19455: Wowza streaming engine incorrect permission assignment vulnerability

Wowza · Streaming Engine

Wowza Streaming Engine before 4.8.5 has Insecure Permissions which may allow a local attacker to escalate privileges in / usr / local / WowzaStreamingEngine / manager / bin / in the Linux version of the server by writing arbitrary commands in any file and execute them as root. This issue was resolved in Wowza Streaming Engine 4.8.5.

7.8 CVSS 3.1 High EPSS 0.37% · top 71.4% CWE-732 · Incorrect permission assignment
7.8CVSS 3.1 base score, v2 7.2
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Wowza Streaming Engine before 4.8.5 has Insecure Permissions which may allow a local attacker to escalate privileges in / usr / local / WowzaStreamingEngine / manager / bin / in the Linux version of the server by writing arbitrary commands in any file and execute them as root. This issue was resolved in Wowza Streaming Engine 4.8.5.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-19455.txt Third Party Advisory
https://www.gruppotim.it/redteam Third Party Advisory
https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notes Release NotesVendor Advisory
https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-19455.txt Third Party Advisory
https://www.gruppotim.it/redteam Third Party Advisory
https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notes Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-19455), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.