# CVE-2023-53983: Anevia Flamingo XL/XS 3.6.20 Default Credentials Authentication Bypass

> Attackers can use hard-coded default credentials to gain full remote control of Anevia Flamingo encoders, requiring immediate credential changes or firmware updates.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Dec 2025
- **Updated:** 1 Oct 2026
- **Also known as:** GHSA-rg8q-q5qg-28fm

## What is CVE-2023-53983?

CVE-2023-53983 is a critical vulnerability in Ateme Anevia Flamingo XL/XS, published on 30 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Anevia Flamingo XL/XS 3.6.20 contains a critical vulnerability with weak default administrative credentials that can be easily guessed. Attackers can leverage these hard-coded credentials to gain full remote system control without complex authentication mechanisms.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2023-53983?

It affects 4 products.


Products: Ateme Flamingo Xl Firmware, Ateme Flamingo Xs Firmware, Ateme Soaplive, Ateme Soapsystem.

## How do I fix CVE-2023-53983?

No fix has been published for CVE-2023-53983 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-53983 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53983 exists.

## Other vulnerabilities in Ateme Anevia Flamingo XL/XS

- [CVE-2023-36252](https://insights.sbomify.com/CVE-2023-36252/): Other in n/a (high 8.8)
- [CVE-2024-58338](https://insights.sbomify.com/CVE-2024-58338/): Anevia Flamingo XL 3.2.9 Remote Root Jailbreak via Traceroute Command (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-53983 and fix it if it is affected.

What it is: CVE-2023-53983 is a critical vulnerability in Ateme Anevia Flamingo XL/XS, published on 30 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53983 exists.

Affected product: Ateme Anevia Flamingo XL/XS. 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-2023-53983/ (Markdown: https://insights.sbomify.com/CVE-2023-53983/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-53983
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-53983
- OSV: https://osv.dev/vulnerability/CVE-2023-53983

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-53983/
Summaries are generated and may contain mistakes; the official description above is the record.