World Wide Broadcast Network AVideo up to 19.x Upload authorization

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in World Wide Broadcast Network AVideo up to 19.x. This impacts an unknown function of the component Upload. Such manipulation leads to authorization. This vulnerability is documented as CVE-2025-34436. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in World Wide Broadcast Network AVideo up to 19.x. Affected by this issue is an unknown functionality of the component Upload. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was released by Valentin Lobstein. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-34436 since 04/15/2025. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 20.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: AVideo 20.0
Patch: github.com

Timelineinfo

04/15/2025 CVE reserved
12/17/2025 +246 days Advisory disclosed
12/17/2025 +0 days VulDB entry created
12/20/2025 +3 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Researcher: Valentin Lobstein
Status: Confirmed

CVE: CVE-2025-34436 (🔒)
GCVE (CVE): GCVE-0-2025-34436
GCVE (VulDB): GCVE-100-337016

Entryinfo

Created: 12/17/2025 21:25
Updated: 12/20/2025 08:39
Changes: 12/17/2025 21:25 (68), 12/20/2025 08:39 (12)
Complete: 🔍
Cache ID: 216::103

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