What’s Vulnerable › Vulnerabilities

CVE-2021-31539

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-23 · updated 2026-06-17
• Weakness: CWE-312

Description

Wowza Streaming Engine before 4.8.8.01 (in a default installation) has cleartext passwords stored in the conf/admin.password file. A regular local user is able to read usernames and passwords.

Affected products

• Wowza Streaming Engine: before 4.8.8.01 — fixed in 4.8.8.01

How to fix

Upgrade to a fixed version: Wowza Streaming Engine 4.8.8.01. Check the vendor advisory for mitigations.

References

• https://www.gruppotim.it/redteam
• https://www.wowza.com/docs/wowza-streaming-engine-4-8-8-01-release-notes#breaking
• https://www.wowza.com/products/streaming-engine
• https://www.gruppotim.it/redteam
• https://www.wowza.com/docs/wowza-streaming-engine-4-8-8-01-release-notes#breaking
• https://www.wowza.com/products/streaming-engine

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