Security readout for executives and security teams
Plain-English summary
This is a reflected cross-site scripting issue in Wowza Streaming Engine’s Engine Manager login failure page. If a vulnerable login page reflects attacker-controlled input, a user’s browser could run untrusted script in that site context. The public record says the issue was resolved in Wowza Streaming Engine 4.8.0.
Executive priority
Treat as a targeted remediation item, not an emergency from the supplied evidence. Prioritize internet-exposed or user-facing Wowza management interfaces and upgrade outdated 4.x deployments.
Technical view
CVE-2019-19456 is a reflected XSS in the server selection box on enginemanager/loginfailed.html in Wowza Streaming Engine <= 4.x.x. The supplied record does not provide CVSS, CWE, CPE, exploit status, or detailed prerequisites. Vendor/public CVE text indicates the issue was resolved in version 4.8.0.
Likely exposure
Likely exposed systems are Wowza Streaming Engine deployments described as <= 4.x.x, especially if Engine Manager login pages are reachable by users or the internet.
Exploitation context
The source bundle does not show KEV listing or active exploitation. Reflected XSS typically requires a user to interact with crafted content, but exact trigger conditions are not provided here.
Researcher notes
The public data is sparse. The key facts are reflected XSS location, affected Wowza Streaming Engine 4.x scope, and resolution in 4.8.0. No exploit, CVSS, or root-cause details are supplied.
Mitigation direction
- Upgrade Wowza Streaming Engine to 4.8.0 or later.
- Check Wowza release notes and vendor guidance for deployment-specific remediation.
- Restrict access to Engine Manager login pages where possible.
- Review public exposure of enginemanager/loginfailed.html.
Validation and detection
- Inventory Wowza Streaming Engine versions across environments.
- Confirm whether any deployment is below 4.8.0.
- Verify Engine Manager login pages are not publicly reachable unless required.
- Check vendor release notes for the applied fixed version.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-19456 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wowza.com/docs/wowza-streaming-engine-4-8-0-release-notesCVE reference · x_refsource_CONFIRM
- https://www.gruppotim.it/redteamCVE reference · x_refsource_MISC
- https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-19456.txtCVE reference · x_refsource_MISC
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.