CVE-2025-34437 json
AVideo < 20.1 IDOR Arbitrary Comment Image Upload
published 2025-12-17 10 mo ago modified 2026-09-30 39 d ago also EUVD-2025-203955
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
AVideo versions prior to 20.1 permit any authenticated user to upload comment images to videos owned by other users. The endpoint validates authentication but omits ownership checks, allowing attackers to perform unauthorized uploads to arbitrary video objects.
Patch / fix
- World Wide Broadcast Network AVideo 20.1
- github.com/WWBN/AVideo@4a53ab2 commit
- github.com/WWBN/AVideo@d411f91 commit
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 10 mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- chocapikk.com https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | 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 |
| CNA | 4.0 | 8.7 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- World Wide Broadcast Network AVideo
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
github.com
/WWBN/AVideo/commit/4a53ab2056
patch
-
github.com
/WWBN/AVideo/commit/d411f91805
patch
-
chocapikk.com
/posts/2025/avideo-security-vulnerabilities/
technical-description, exploit
-
vulncheck.com
/advisories/avideo-idor-arbitrary-comment-image-upload
third-party-advisory
Sources
- CVE List CVE-2025-34437
- NVD CVE-2025-34437
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