CVE-2025-59716
BaseFortify
Publication date: 2025-11-05
Last updated on: 2025-11-06
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| owncloud | owncloud | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
| CWE-203 | The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in ownCloud Guests before version 0.12.5 allows an unauthenticated attacker to enumerate users by exploiting the /apps/guests/register/{email}/{token} endpoint. The issue arises because the server responds differently depending on whether the supplied email corresponds to a valid pending guest user or not, due to insufficient validation of the token in the showPasswordForm function.
How can this vulnerability impact me? :
The vulnerability can allow an attacker to determine which email addresses are registered as pending guest users on the ownCloud instance without authentication. This can lead to privacy breaches and potentially facilitate further targeted attacks such as phishing or social engineering.