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CVE-2023-4934— IDOR in Usta AYBS

Quick assessment

Affected
Usta AYBS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Usta AYBS是Usta公司的一款应用程序。 Usta AYBS 1.0.3之前版本存在安全漏洞，该漏洞源于Usta AYBS 中的用户控制密钥漏洞导致授权绕过，允许身份验证滥用、身份验证绕过。

CVSS 8.8 · High EPSS 1.18% · P67

Affected Version Matrix 1

VendorProduct Version RangeStatus
Usta AYBS < 1.0.3 affected
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I. Basic Information for CVE-2023-4934

Vulnerability Information
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Vulnerability Title
IDOR in Usta AYBS
Source: CVE Program / CVE List V5
Vulnerability Description
Authorization Bypass Through User-Controlled Key vulnerability in Usta AYBS allows Authentication Abuse, Authentication Bypass. This issue affects AYBS: before 1.0.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Usta AYBS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Usta AYBS是Usta公司的一款应用程序。 Usta AYBS 1.0.3之前版本存在安全漏洞，该漏洞源于Usta AYBS 中的用户控制密钥漏洞导致授权绕过，允许身份验证滥用、身份验证绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Usta AYBS 0 ~ 1.0.3 -

II. Public POCs for CVE-2023-4934

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-4934

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Vendor Advisories for CVE-2023-4934 (1)

Other References for CVE-2023-4934 (1)

IV. Related Vulnerabilities

Same weakness: CWE-639

V. Comments for CVE-2023-4934

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