# CVE-2022-23945: Apache ShenYu missing authentication allows gateway registration

> Attackers can register malicious gateways without authentication, potentially compromising the Apache ShenYu admin interface and routing traffic.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 25 Jan 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-7rjp-fgwj-47rw

## What is CVE-2022-23945?

CVE-2022-23945 is a high-severity missing authorization vulnerability in Apache ShenYu (incubating), published on 25 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Missing authentication on ShenYu Admin when register by HTTP. This issue affected Apache ShenYu 2.4.0 and 2.4.1.

Weakness: CWE-306 (Missing Authentication for Critical Functionality), CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2022-23945?

2 open source packages ship an affected version, including org.apache.shenyu:shenyu-common. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.apache.shenyu:shenyu-common` | Maven | From 2.4.0 | 2.4.2 |
| `org.apache.shenyu:shenyu-common` | Maven | From 2.4.0 | 2.4.2 |

Products: Apache Shenyu.

## How do I fix CVE-2022-23945?

Upgrade org.apache.shenyu:shenyu-common to 2.4.2 or later.

## Is CVE-2022-23945 being exploited?

There is no known exploitation of CVE-2022-23945 in the wild and no public exploit code.

## Other vulnerabilities in Apache ShenYu (incubating)

- [CVE-2021-45029](https://insights.sbomify.com/CVE-2021-45029/): Apache ShenYu 2.4.1 Groovy Code Injection & SpEL Injection (critical 9.8)
- [CVE-2021-37580](https://insights.sbomify.com/CVE-2021-37580/): Apache ShenYu Admin bypass JWT authentication (critical 9.8)
- [CVE-2022-23944](https://insights.sbomify.com/CVE-2022-23944/): Apache ShenYu 2.4.1 Improper access control (critical 9.1)
- [CVE-2022-42735](https://insights.sbomify.com/CVE-2022-42735/): Apache ShenYu Admin ultra vires (high 8.8)
- [CVE-2022-37435](https://insights.sbomify.com/CVE-2022-37435/): Apache ShenYu Admin Improper Privilege Management (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-23945 and fix it if it is affected.

What it is: CVE-2022-23945 is a high-severity missing authorization vulnerability in Apache ShenYu (incubating), published on 25 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-23945 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.apache.shenyu:shenyu-common (Maven): affected from 2.4.0; fixed in 2.4.2
- org.apache.shenyu:shenyu-common (Maven): affected from 2.4.0; fixed in 2.4.2

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-2022-23945/ (Markdown: https://insights.sbomify.com/CVE-2022-23945/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-23945
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-23945
- OSV: https://osv.dev/vulnerability/CVE-2022-23945

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-23945/
Summaries are generated and may contain mistakes; the official description above is the record.