What is CVE-2017-15207?

CVE-2017-15207 is a medium-severity vulnerability in Kanboard, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2017-10-11.

How severe is CVE-2017-15207?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Kanboard

CVE-2017-15207

In Kanboard before 1.0.47, by altering form data, an authenticated user can edit tasks of a private project of another user.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2017-10-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Kanboard — versions 1.0.0, 1.0.1, 1.0.2

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/kanboard/kanboard/commit/074f6c104f3e49401ef0065540338fc2d4be79f0 (Patch, Third Party Advisory)
openwall.com/lists/oss-security/2017/10/04/9 (Mailing List, VDB Entry, Third Party Advisory)
kanboard.net/news/version-1.0.47 (Release Notes, Vendor Advisory)
github.com/kanboard/kanboard/commit/3e0f14ae2b0b5a44bd038a472f17eac75f538524 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2017-15207?: CVE-2017-15207 is a medium-severity vulnerability in Kanboard, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2017-10-11.
How severe is CVE-2017-15207?: Medium severity. CVSS v3 base score is 4.3 out of 10.