CVE-2023-4934 | BDVDB-2026-212664 Detail

UstaAYBS

Description#

Authorization Bypass Through User-Controlled Key vulnerability in Usta AYBS allows Authentication Abuse, Authentication Bypass. This issue affects AYBS: before 1.0.3.

Impact#

CAPEC-114 Authentication Abuse

Weaknesses#

CWE-639 Authorization Bypass Through User-Controlled Key

References#

Exploit#

No public exploit known

History#

Version 12023-09-27Record published in the CVE List.
Version 22026-05-21Most recent update recorded in the CVE List.

Published

Published: 2023-09-27
Last modified: 2026-05-21

Vendor information

Vendor: Usta
Product: AYBS

All Usta vulnerabilities

Score

8.8 High

EPSS

1.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 68.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Insecure Direct Object Reference

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.0.3
Fixed
1.0.3

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.8 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).