# CVE-2023-1837: Missing authorization in HYPR Server

> Attackers can bypass authentication in HYPR Server by exploiting missing checks in Legacy APIs, which are disabled by default.

- **Severity:** High 8.5 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 May 2023
- **Updated:** 17 Jan 2025
- **Also known as:** GHSA-vhrm-3gmw-7rpc

## What is CVE-2023-1837?

CVE-2023-1837 is a high-severity missing authorization vulnerability in HYPR Server, published on 23 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Missing Authentication for critical function vulnerability in HYPR Server allows Authentication Bypass when using Legacy APIs.This issue affects HYPR Server: before 8.0 (with enabled Legacy APIs)

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

## Which versions are affected by CVE-2023-1837?

It affects 1 product.


Products: Hypr Hypr Server.

## How do I fix CVE-2023-1837?

No fix has been published for CVE-2023-1837 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1837 being exploited?

There is no known exploitation of CVE-2023-1837 in the wild and no public exploit code.

## Other vulnerabilities in HYPR Server

- [CVE-2022-2192](https://insights.sbomify.com/CVE-2022-2192/): Missing authorization in HYPR Server (high 7.5)
- [CVE-2022-2193](https://insights.sbomify.com/CVE-2022-2193/): Missing authorization in HYPR Server (high 7.5)
- [CVE-2024-8273](https://insights.sbomify.com/CVE-2024-8273/): Authentication Bypass by Spoofing vulnerability in HYPR Server allows Identity Spoofing.This issue affects Server: before 10.1. (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1837 and fix it if it is affected.

What it is: CVE-2023-1837 is a high-severity missing authorization vulnerability in HYPR Server, published on 23 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-1837 in the wild and no public exploit code.

Affected product: HYPR Server. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2023-1837/ (Markdown: https://insights.sbomify.com/CVE-2023-1837/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1837
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1837
- OSV: https://osv.dev/vulnerability/CVE-2023-1837

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1837/
Summaries are generated and may contain mistakes; the official description above is the record.