# CVE-2023-4094: Weak authentication vulnerability in Fujitsu Arconte Áurea

> Attackers can bypass login attempt limits and block legitimate accounts, causing denial of service in Fujitsu Arconte Áurea.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Sep 2023
- **Updated:** 25 Sep 2024
- **Also known as:** GHSA-52p8-9vrh-6wx7

## What is CVE-2023-4094?

CVE-2023-4094 is a medium-severity authentication bypass vulnerability in Fujitsu  Arconte Áurea, published on 19 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

ARCONTE Aurea's authentication system, in its 1.5.0.0 version, could allow an attacker to make incorrect access requests in order to block each legitimate account and cause a denial of service. In addition, a resource has been identified that could allow circumventing the attempt limit set in the login form.

Weakness: CWE-287 (Improper Authentication), CWE-1390 (Weak Authentication)

## Which versions are affected by CVE-2023-4094?

It affects 1 product.


Products: Fujitsu Arconte Aurea.

## How do I fix CVE-2023-4094?

No fix has been published for CVE-2023-4094 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4094 being exploited?

There is no known exploitation of CVE-2023-4094 in the wild and no public exploit code.

## Other vulnerabilities in Fujitsu  Arconte Áurea

- [CVE-2023-4092](https://insights.sbomify.com/CVE-2023-4092/): SQL injection vulnerability in Fujitsu Arconte Áurea (high 8.8)
- [CVE-2023-4096](https://insights.sbomify.com/CVE-2023-4096/): Weak password recovery mechanism vulnerability in Fujitsu Arconte Áurea (high 8.6)
- [CVE-2023-4093](https://insights.sbomify.com/CVE-2023-4093/): Reflected and persistent XSS vulnerability in Fujitsu Arconte Áurea (medium 5.5)
- [CVE-2023-4095](https://insights.sbomify.com/CVE-2023-4095/): User enumeration vulnerability in Fujitsu Arconte Áurea (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4094 and fix it if it is affected.

What it is: CVE-2023-4094 is a medium-severity authentication bypass vulnerability in Fujitsu  Arconte Áurea, published on 19 Sep 2023. 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-2023-4094 in the wild and no public exploit code.

Affected product: Fujitsu  Arconte Áurea. 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-2023-4094/ (Markdown: https://insights.sbomify.com/CVE-2023-4094/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4094
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4094
- OSV: https://osv.dev/vulnerability/CVE-2023-4094

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-4094/
Summaries are generated and may contain mistakes; the official description above is the record.