CVE-2016-20034
Wowza Streaming Engine 4.5.0: Authenticated user can escalate to admin via POST.
Is CVE-2016-20034 being exploited?
Not confirmed. CVE-2016-20034 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.21% probability of exploitation in the next 30 days.
How severe is CVE-2016-20034?
CVE-2016-20034 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2016-20034?
Not known from our data. No patch reference has been recorded for CVE-2016-20034, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2016-20034 affect?
CVE-2016-20034 affects Wowza Streaming Engine 4.5.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2016-20034?
Patch when available; monitor for fixes
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated read-only users can elevate to admin by crafting POST to user edit with accessLevel=admin and advUser=true/on.
Immediate action required
- affected4.5.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.