CVE-2023-33956

Public Exploit
Parameter based Indirect Object Referencing leading to private file exposure in Kanboard

Description

Kanboard is open source project management software that focuses on the Kanban methodology. Versions prior to 1.2.30 are subject to an Insecure direct object reference (IDOR) vulnerability present in the application's URL parameter. This vulnerability enables any user to read files uploaded by any other user, regardless of their privileges or restrictions. By Changing the file_id any user can render all the files where MimeType is image uploaded under **/files** directory regard less of uploaded by any user. This vulnerability poses a significant impact and severity to the application's security. By manipulating the URL parameter, an attacker can access sensitive files that should only be available to authorized users. This includes confidential documents or any other type of file stored within the application. The ability to read these files can lead to various detrimental consequences, such as unauthorized disclosure of sensitive information, privacy breaches, intellectual property theft, or exposure of trade secrets. Additionally, it could result in legal and regulatory implications, reputation damage, financial losses, and potential compromise of user trust. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Categories

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Third-Party Advisory github.com
Affected: kanboard kanboard
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-33956?
CVE-2023-33956 has been scored as a medium severity vulnerability.
How to fix CVE-2023-33956?
To fix CVE-2023-33956, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-33956 being actively exploited in the wild?
It is possible that CVE-2023-33956 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-33956?
CVE-2023-33956 affects kanboard kanboard.
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