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CVE-2023-39979— MXsecurity Authentication Bypass

Quick assessment

Affected
Moxa MXsecurity Series
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.

MOXA MXsecurity是中国摩莎（MOXA）公司的一个管理平台。可提供集中的可见性和安全管理，以轻松监视和识别网络威胁并防止安全错误配置，从而创建强大的威胁防御。 MOXA MXsecurity v1.0.1及之前版本存在安全漏洞，该漏洞源于Web服务验证器的随机值不足，远程攻击者可利用该漏洞绕过身份验证。

CVSS 9.8 · Critical EPSS 0.98% · P61

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-39979

Vulnerability Information
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Vulnerability Title
MXsecurity Authentication Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
There is a vulnerability in MXsecurity versions prior to 1.0.1 that can be exploited to bypass authentication. A remote attacker might access the system if the web service authenticator has insufficient random values.  
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
随机数的空间太小
Source: CVE Program / CVE List V5
Vulnerability Title
MOXA MXsecurity 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MOXA MXsecurity是中国摩莎（MOXA）公司的一个管理平台。可提供集中的可见性和安全管理，以轻松监视和识别网络威胁并防止安全错误配置，从而创建强大的威胁防御。 MOXA MXsecurity v1.0.1及之前版本存在安全漏洞，该漏洞源于Web服务验证器的随机值不足，远程攻击者可利用该漏洞绕过身份验证。
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
Moxa MXsecurity Series 1.0 ~ 1.0.1 -

II. Public POCs for CVE-2023-39979

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III. Intelligence Information for CVE-2023-39979

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Vendor Advisories for CVE-2023-39979 (1)

Same Patch Batch · Moxa · 2023-09-02 · 5 CVEs total

CVE-2023-39982 7.5 HIGH MXsecurity Hardcoded Credential
CVE-2023-39981 7.5 HIGH MXsecurity Device Information Disclosure
CVE-2023-39980 7.1 HIGH MXsecurity Authenticated Information Disclosure Due to SQL Injection
CVE-2023-39983 5.3 MEDIUM MXsecurity Register Database Pollution

IV. Related Vulnerabilities

Same product: MXsecurity Series
Same vendor: Moxa
Same weakness: CWE-334

V. Comments for CVE-2023-39979

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