Vulnerability · Published Dec 17, 2025 · Assigned by VulnCheck
CVE-2025-34436AVideo < 20.1 IDOR Arbitrary File Upload
High 8.7
In plain English
A high-severity authorization bypass via user-controlled key in AVideo from World Wide Broadcast Network. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.4%top 63.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
AVideo versions prior to 20.1 allow any authenticated user to upload files into directories belonging to other users due to an insecure direct object reference. The upload functionality verifies authentication but does not enforce ownership checks.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| World Wide Broadcast Network | AVideo | 0 – before 20.1 |
Weakness: CWE-639 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://github.com/WWBN/AVideo/commit/4a53ab2056 patch
- https://github.com/WWBN/AVideo/commit/c279999cbd patch
- https://www.vulncheck.com/advisories/avideo-idor-arbitrary-file-upload third-party-advisory
- https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/ technical-description, exploit