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CVE-2023-40707— Weak password requirements in OPTO 22 SNAP PAC S1 Built-in Web Server

Quick assessment

Affected
OPTO 22 SNAP PAC S1
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.

OPTO 22 SNAP PAC S1是美国OPTO 22公司的一种控制器。 ​OPTO 22 SNAP PAC S1 R10.3b 固件版本存在安全漏洞，该漏洞源于内置的 Web 服务器身份验证尝试限制不当，不强制要求设置复杂的密码，如果用户不设置复杂的密码，则可能会导致暴力破解。

CVSS 8.6 · High EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force
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I. Basic Information for CVE-2023-40707

Vulnerability Information
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Vulnerability Title
Weak password requirements in OPTO 22 SNAP PAC S1 Built-in Web Server
Source: CVE Program / CVE List V5
Vulnerability Description
There are no requirements for setting a complex password in the built-in web server of the SNAP PAC S1 Firmware version R10.3b, which could allow for a successful brute force attack if users don't set up complex credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
弱口令要求
Source: CVE Program / CVE List V5
Vulnerability Title
OPTO 22 SNAP PAC S1 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OPTO 22 SNAP PAC S1是美国OPTO 22公司的一种控制器。 ​OPTO 22 SNAP PAC S1 R10.3b 固件版本存在安全漏洞，该漏洞源于内置的 Web 服务器身份验证尝试限制不当，不强制要求设置复杂的密码，如果用户不设置复杂的密码，则可能会导致暴力破解。
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
OPTO 22 SNAP PAC S1 R10.3b -

II. Public POCs for CVE-2023-40707

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III. Intelligence Information for CVE-2023-40707

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Vendor Advisories for CVE-2023-40707 (1)

Same Patch Batch · OPTO 22 · 2023-08-24 · 5 CVEs total

CVE-2023-40706 8.6 HIGH Improper Restriction of Excessive Authentication Attempts in OPTO 22 SNAP PAC S1 Built-in
CVE-2023-40710 6.8 MEDIUM OPTO 22 SNAP PAC S1 资源管理错误漏洞
CVE-2023-40709 6.8 MEDIUM Uncontrolled Resource Consumption in OPTO 22 SNAP PAC S1 Built-In Web Server
CVE-2023-40708 5.8 MEDIUM Improper Access Control in OPTO 22 SNAP PAC S1

IV. Related Vulnerabilities

Same product: SNAP PAC S1
Same vendor: OPTO 22
Same weakness: CWE-521

V. Comments for CVE-2023-40707

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