CVE-2023-53776

Name: CVE-2023-53776
Creator: NVD / NIST
Published: 2025-12-10T22:16:19.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2023-53776 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

8.7/10

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/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

EPSS Probability

0.45%

35.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-384

Affected Software

Vendor	Product	Versions
Dbbroadcast	Sft Dab 600\/C Firmware	1.9.3

References

https://www.dbbroadcast.comProduct
https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/Product
https://www.exploit-db.com/exploits/51459Exploit, Third Party Advisory
https://www.screen.itProduct
https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-session-management-weaknessThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5775.phpThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5775.phpThird Party Advisory

Timeline

Published: Dec 10, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-53776?

How severe is CVE-2023-53776?

CVE-2023-53776 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2023-53776?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-53776?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST