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CVE-2023-24842— HGiga MailSherlock - Broken Access Control

Quick assessment

Affected
HGiga MailSherlock
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.

Hgiga MailSherlock是中国恒基科技（Hgiga）公司的一套企业邮件审核系统。 HGiga MailSherlock 4.5版本存在安全漏洞，该漏洞源于存在访问控制不足问题。攻击者利用该漏洞访问其他用户邮件的部分内容。

CVSS 5.3 · Medium EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1556 · Modify Authentication Process
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I. Basic Information for CVE-2023-24842

Vulnerability Information
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Vulnerability Title
HGiga MailSherlock - Broken Access Control
Source: CVE Program / CVE List V5
Vulnerability Description
HGiga MailSherlock has vulnerability of insufficient access control. An unauthenticated remote user can exploit this vulnerability to access partial content of another user’s mail by changing user ID and mail ID within URL.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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
HGiga MailSherlock 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hgiga MailSherlock是中国恒基科技（Hgiga）公司的一套企业邮件审核系统。 HGiga MailSherlock 4.5版本存在安全漏洞，该漏洞源于存在访问控制不足问题。攻击者利用该漏洞访问其他用户邮件的部分内容。
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
HGiga MailSherlock iSherlock-user-4.5 ~ iSherlock-user-4.5-161 -

II. Public POCs for CVE-2023-24842

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III. Intelligence Information for CVE-2023-24842

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Other References for CVE-2023-24842 (1)

Same Patch Batch · HGiga · 2023-03-27 · 6 CVEs total

CVE-2023-24838 9.8 CRITICAL HGiga PowerStation - Information Leakage
CVE-2023-24837 8.8 HIGH HGiga PowerStation - Command Injection
CVE-2023-24840 7.2 HIGH HGiga MailSherlock - SQL Injection
CVE-2023-24841 7.2 HIGH HGiga MailSherlock - Command Injection
CVE-2023-24839 6.1 MEDIUM HGiga MailSherlock - Reflected XSS

IV. Related Vulnerabilities

Same product: MailSherlock
Same vendor: HGiga
Same weakness: CWE-639

V. Comments for CVE-2023-24842

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