CVE-2020-27826
keycloak
MEDIUM 4.2
At a glance
- Source
- NVD
- EPSS
- EPSS 0.57 % · percentile 47 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
Description
A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.
Weaknesses (CWE)
- CWE-250 — Execution with Unnecessary Privileges
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.2 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.9 | AV:N/AC:M/Au:S/C:P/I:P/A:N | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-m9cj-v55f-8x26 — Authentication Bypass in keycloak
European references
- ENISA EUVD · EUVD-2022-1472
- GCVE · GCVE-0-2020-27826
Affected configurations (NVD CPE)
cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*< 12.0.0cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*cpe:2.3:a:redhat:single_sign-on:7.4:*:*:*:*:*:*:*cpe:2.3:a:redhat:single_sign-on:7.4.4:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| keycloak | affected keycloak 12.0.0 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |