Vulnerability in Tangro Business Workflow

CVE-2020-26176

An issue was discovered in tangro Business Workflow before 1.18.1. No (or broken) access control checks exist on the /api/document/<DocumentID>/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.

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-26176?
CVE-2020-26176 is a medium-severity vulnerability in Tangro Business Workflow, classified under CWE-922. CVSS score: 4.3/10. Published 2020-12-18.
How severe is CVE-2020-26176?
Medium severity. CVSS v3 base score is 4.3 out of 10.