What is CVE-2022-43685?

CVE-2022-43685 is a high-severity vulnerability in Okfn Ckan, classified under Missing Authorization. CVSS score: 8.8/10. Published 2022-11-22.

How severe is CVE-2022-43685?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Okfn Ckan

CVE-2022-43685

CKAN through 2.9.6 account takeovers by unauthenticated users when an existing user id is sent via an HTTP POST request. This allows a user to take over an existing account including superuser accounts.

Vulnerability class: Broken Access Control

Published 2022-11-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% 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

Okfn Ckan

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

ckan.org/ (Vendor Advisory)
ckan.org/blog/get-latest-patch-releases-your-ckan-site-october-2022 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-43685?: CVE-2022-43685 is a high-severity vulnerability in Okfn Ckan, classified under Missing Authorization. CVSS score: 8.8/10. Published 2022-11-22.
How severe is CVE-2022-43685?: High severity. CVSS v3 base score is 8.8 out of 10.