CVE-2019-19455

Name: CVE-2019-19455
Creator: NVD / NIST
Published: 2020-08-03T14:15:15.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2019-19455 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.37%

29.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Wowza	Streaming Engine	< 4.8.5

References

https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-19455.txtThird Party Advisory
https://www.gruppotim.it/redteamThird Party Advisory
https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notesRelease Notes, Vendor Advisory
https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-19455.txtThird Party Advisory
https://www.gruppotim.it/redteamThird Party Advisory
https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notesRelease Notes, Vendor Advisory

Timeline

Published: Aug 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19455?

How severe is CVE-2019-19455?

CVE-2019-19455 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19455?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19455?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST