# CVE-2020-1725: Incorrect Authorization in keycloak

> Users retain access to resources after role changes due to stale access tokens, allowing unauthorized access in Keycloak.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 28 Jan 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-p225-pc2x-4jpm

## What is CVE-2020-1725?

CVE-2020-1725 is a medium-severity missing authorization vulnerability in Redhat Keycloak, published on 28 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A flaw was found in keycloak before version 13.0.0. In some scenarios a user still has access to a resource after changing the role mappings in Keycloak and after expiration of the previous access token.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2020-1725?

2 open source packages ship an affected version, including org.keycloak:keycloak-parent. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.keycloak:keycloak-parent` | Maven | All versions | 13.0.0 |
| `org.keycloak:keycloak-parent` | Maven | All versions | 13.0.0 |

Products: Redhat Keycloak.

## How do I fix CVE-2020-1725?

Upgrade org.keycloak:keycloak-parent to 13.0.0 or later.

## Is CVE-2020-1725 being exploited?

There is no known exploitation of CVE-2020-1725 in the wild and no public exploit code.

## Other vulnerabilities in Redhat Keycloak

- [CVE-2022-4361](https://insights.sbomify.com/CVE-2022-4361/): Keycloak vulnerable to cross-site scripting when validating URI-schemes on SAML and OIDC (critical 10.0)
- [CVE-2022-1245](https://insights.sbomify.com/CVE-2022-1245/): Keycloak vulnerable to privilege escalation on Token Exchange feature (critical 9.8)
- [CVE-2021-20195](https://insights.sbomify.com/CVE-2021-20195/): keycloak Self Stored Cross-site Scripting vulnerability (critical 9.6)
- [CVE-2019-14910](https://insights.sbomify.com/CVE-2019-14910/): Keycloak Authentication Error (critical 9.3)
- [CVE-2019-14909](https://insights.sbomify.com/CVE-2019-14909/): Keycloak Authentication Error (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-1725 and fix it if it is affected.

What it is: CVE-2020-1725 is a medium-severity missing authorization vulnerability in Redhat Keycloak, published on 28 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-1725 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.keycloak:keycloak-parent (Maven): affected all versions; fixed in 13.0.0
- org.keycloak:keycloak-parent (Maven): affected all versions; fixed in 13.0.0

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2020-1725/ (Markdown: https://insights.sbomify.com/CVE-2020-1725/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-1725
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-1725
- OSV: https://osv.dev/vulnerability/CVE-2020-1725

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-1725/
Summaries are generated and may contain mistakes; the official description above is the record.