CVE-2023-53776

Screen SFT DAB 1.9.3 Authentication Bypass via Session Management Weakness

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.

Affected

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

CVSS v4.0 VULNCHECK

8.7 HIGHCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.48% chance of exploitation in the next 30 days, 40th percentile

Published

2025-12-10

Updated

2026-04-07

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/51459

Security advisories

• https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-session-man…
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5775.php
• https://www.dbbroadcast.com
• https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air
• https://www.screen.it

References

• CVE Record
• NVD entry