Wowza Streaming Engine 4.5.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by crafting malicious web pages. Attackers can trick logged-in administrators into visiting a malicious site that submits POST requests to the user edit endpoint to create new admin accounts with arbitrary credentials.
CVE-2016-20035
MEDIUMNVD 4.35.3▲
EchelonGraph scoreMEDIUM confidence
Score 5.3 from GitHub Security Advisory published 2026-03-16. NVD baseline CVSS 4.3; sources differ by 1.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, nvd
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 5.3(medium)
- EG Risk
- 28(Track)EG Risk 28/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity53% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 5%
- KEV
- Not listed
Published
March 16, 2026
Last Modified
June 17, 2026
References (3)
- disclosure@vulncheckhttp://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5341.php
- disclosure@vulncheckhttps://www.exploit-db.com/exploits/40134
- disclosure@vulncheckhttps://www.vulncheck.com/advisories/wowza-streaming-engine-csrf-via-user-edit-endpoint
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 2× in last 7d / 2× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-27 13:38 UTCEG score recompute
- 2026-07-27 13:38 UTCGHSA enrichment
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2016-20035?
CVE-2016-20035 is a medium vulnerability published on March 16, 2026. Wowza Streaming Engine 4.5.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by crafting malicious web pages. Attackers can trick logged-in administrators into visiting a malicious site that submits POST requests to the user edit endpoint…
When was CVE-2016-20035 disclosed?
CVE-2016-20035 was first published in the National Vulnerability Database on March 16, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-20035 actively exploited?
CVE-2016-20035 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 94.8% of all scored CVEs.
What is the CVSS score of CVE-2016-20035?
CVE-2016-20035 has a CVSS v3 base score of 4.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.3.
How do I remediate CVE-2016-20035?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-20035, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2016-20035
Is Your Infrastructure Affected by CVE-2016-20035?
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