Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2023-53740

Severity CVSS v4.0:
HIGH
Type:
Unavailable / Other
Publication date:
10/12/2025
Last modified:
17/12/2025

Description

Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to change the admin password without providing the current credentials. Attackers can exploit the userManager.cgx endpoint by sending a crafted JSON request with a new MD5-hashed password to directly modify the admin account.

Impact

Vector 4.0
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 8.60 HIGH
Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): Passsive
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): Low
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
8.60
Severity 4.0
HIGH
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:dbbroadcast:sft_dab_015\/c_firmware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:h:dbbroadcast:sft_dab_015\/c:-:*:*:*:*:*:*:*
cpe:2.3:o:dbbroadcast:sft_dab_050\/c_firmware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:h:dbbroadcast:sft_dab_050\/c:-:*:*:*:*:*:*:*
cpe:2.3:o:dbbroadcast:sft_dab_150\/c_firmware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:h:dbbroadcast:sft_dab_150\/c:-:*:*:*:*:*:*:*
cpe:2.3:o:dbbroadcast:sft_dab_300\/c_firmware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:h:dbbroadcast:sft_dab_300\/c:-:*:*:*:*:*:*:*
cpe:2.3:o:dbbroadcast:sft_dab_600\/c_firmware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:h:dbbroadcast:sft_dab_600\/c:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools