# CVE-2023-53969: Screen SFT DAB 600/C Firmware 1.9.3 Authentication Bypass Password Change

> Attackers can bypass authentication via IP session binding to change user passwords on Screen SFT DAB 600/C devices.

- **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:** 22 Dec 2025
- **Updated:** 22 Dec 2025
- **Also known as:** GHSA-r33w-hjh8-m5jj

## What is CVE-2023-53969?

CVE-2023-53969 is a critical authentication bypass vulnerability in DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C, published on 22 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Screen SFT DAB 600/C firmware 1.9.3 contains a session management vulnerability that allows attackers to bypass authentication controls by exploiting IP address session binding. Attackers can reuse the same IP address and issue unauthorized requests to the userManager API to change user passwords without proper authentication.

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

## Which versions are affected by CVE-2023-53969?

It affects 1 product.


Products: Dbbroadcast Sft Dab 600\/C Firmware.

## How do I fix CVE-2023-53969?

No fix has been published for CVE-2023-53969 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-53969 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53969 exists.

## Other vulnerabilities in DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C

- [CVE-2023-53967](https://insights.sbomify.com/CVE-2023-53967/): Screen SFT DAB 600/C Firmware 1.9.3 Authentication Bypass Admin Password Change (critical 9.3)
- [CVE-2023-53968](https://insights.sbomify.com/CVE-2023-53968/): Screen SFT DAB 600/C Firmware 1.9.3 Authentication Bypass Erase Account (critical 9.3)
- [CVE-2023-53970](https://insights.sbomify.com/CVE-2023-53970/): Screen SFT DAB 600/C Firmware 1.9.3 Authentication Bypass Reset Board Config (high 8.7)
- [CVE-2023-53776](https://insights.sbomify.com/CVE-2023-53776/): Screen SFT DAB 1.9.3 Authentication Bypass via Session Management Weakness (high 8.7)
- [CVE-2023-53775](https://insights.sbomify.com/CVE-2023-53775/): Screen SFT DAB 1.9.3 Authentication Bypass via Session Management Weakness (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-53969 and fix it if it is affected.

What it is: CVE-2023-53969 is a critical authentication bypass vulnerability in DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C, published on 22 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-2023-53969 exists.

Affected product: DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C. 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-2023-53969/ (Markdown: https://insights.sbomify.com/CVE-2023-53969/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-53969
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-53969
- OSV: https://osv.dev/vulnerability/CVE-2023-53969

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-53969/
Summaries are generated and may contain mistakes; the official description above is the record.