CVE-2020-26176 Information

Description

An issue was discovered in tangro Business Workflow before 1.18.1. No (or broken) access control checks exist on the /api/document//attachments API endpoint. Knowing a document ID an attacker can list all the attachments of a workitem including their respective IDs. This allows the attacker to gather valid attachment IDs for workitems that do not belong to them.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Reference

https://www.tangro.de/ https://blog.to.com/advisory-tangro-bwf-1-17-5-multiple-vulnerabilities/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

4.3