Wowza Streaming Engine before 4.8.8.01 (in a default installation) has cleartext…
Priority LOW 25CWE-312Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-312.
Summary
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.
Why it matters now
EPSS 0.00299 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31539
- 2026-10-03 Alias added: GHSA-8r89-3g9f-5g2p
References
More Wowza Streaming Engine vulnerabilities
- TI-2016-09210 Wowza Streaming Engine 4.5.0 Privilege Escalation via user edit CVSS 4.0HIGH 8.7
- TI-2016-09209 Wowza Streaming Engine 4.5.0 Local Privilege Escalation via nssm_x64.exe CVSS 4.0HIGH 8.5
- TI-2016-09211 Wowza Streaming Engine 4.5.0 CSRF via user edit endpoint CVSS 4.0MEDIUM 6.9
- TI-2018-13723 The REST API in Wowza Streaming Engine 4.7.4.01 allows traversal of the directory… CVSS 3.1CRITICAL 9.1
- TI-2016-09212 Wowza Streaming Engine 4.5.0 Multiple Cross-Site Scripting Vulnerabilities CVSS 4.0MEDIUM 5.1
- TI-2018-05112 An issue was discovered in the MBeans Server in Wowza Streaming Engine before 4.7.1. CVSS 3.0CRITICAL 9.8
Sources
- CVE-2021-31539 · CVE Program
- CVE-2021-31539 · NVD
- FIRST EPSS
- GHSA-8r89-3g9f-5g2p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences