What is CVE-2020-26175?

CVE-2020-26175 is a medium-severity vulnerability in Tangro Business Workflow, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2020-12-18.

How severe is CVE-2020-26175?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Tangro Business Workflow

CVE-2020-26175

In tangro Business Workflow before 1.18.1, an attacker can manipulate the value of PERSON in requests to /api/profile in order to change profile information of other users.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2020-12-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Tangro Business Workflow

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

www.tangro.de/ (Product)
blog.to.com/advisory-tangro-bwf-1-17-5-multiple-vulnerabilities/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-26175?: CVE-2020-26175 is a medium-severity vulnerability in Tangro Business Workflow, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2020-12-18.
How severe is CVE-2020-26175?: Medium severity. CVSS v3 base score is 6.5 out of 10.