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CVE-2023-25927— IBM Security Verify Access denial of service

Quick assessment

Affected
IBM Security Verify Access
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.

IBM Security Verify Access（ISAM）是美国国际商业机器（IBM）公司的一款提高用户访问安全的服务。该服务通过使用基于风险的访问、单点登录、集成访问管理控制、身份联合以及移动多因子认证实现对Web、移动、IoT 和云技术等平台安全简单的访问 IBM Security Verify Access 10.0.0、10.0.1、10.0.2、10.0.3、10.0.4 和 10.0.5版本存在输入验证错误漏洞，攻击者利用该漏洞可以使用特制的 HTTP 请求使 webseald 进程崩溃

CVSS 6.5 · Medium EPSS 1.49% · P73

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-25927

Vulnerability Information
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Vulnerability Title
IBM Security Verify Access denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Security Verify Access 10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, and 10.0.5 could allow an attacker to crash the webseald process using specially crafted HTTP requests resulting in loss of access to the system. IBM X-Force ID: 247635.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Security Verify Access 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Security Verify Access（ISAM）是美国国际商业机器（IBM）公司的一款提高用户访问安全的服务。该服务通过使用基于风险的访问、单点登录、集成访问管理控制、身份联合以及移动多因子认证实现对Web、移动、IoT 和云技术等平台安全简单的访问 IBM Security Verify Access 10.0.0、10.0.1、10.0.2、10.0.3、10.0.4 和 10.0.5版本存在输入验证错误漏洞，攻击者利用该漏洞可以使用特制的 HTTP 请求使 webseald 进程崩溃
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
IBM Security Verify Access 10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5 -

II. Public POCs for CVE-2023-25927

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III. Intelligence Information for CVE-2023-25927

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Vendor Advisories for CVE-2023-25927 (1)

Other References for CVE-2023-25927 (1)

Same Patch Batch · IBM · 2023-05-12 · 5 CVEs total

CVE-2023-28520 6.4 MEDIUM IBM Planning Analytics Local cross-site scripting
CVE-2021-39036 6.1 MEDIUM IBM Cognos Analytics cross-site scripting
CVE-2023-27863 4.4 MEDIUM IBM Spectrum Protect Plus Server information disclosure
CVE-2023-28522 4.3 MEDIUM IBM API Connect improper access control

IV. Related Vulnerabilities

Same product: Security Verify Access
Same vendor: IBM
Same weakness: CWE-20

V. Comments for CVE-2023-25927

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