CVE-2023-33868— PiiGAB M-Bus Improper Restriction of Excessive Authentication Attempts
Quick assessment
Affected
PiiGAB M-Bus SoftwarePack
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.
PiiGAB M-Bus是PiiGAB公司的一种在电表和中央数据采集系统或预付费单元之间使用的通信协议。 PiiGAB M-Bus 900S版本存在安全漏洞，该漏洞源于登录尝试次数不受限制，可能允许攻击者对HTTP基本身份验证执行暴力破解。
Possible ATT&CK Techniques 1 AI
T1110 · Brute Force
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I. Basic Information for CVE-2023-33868
Vulnerability Information
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Vulnerability Title
PiiGAB M-Bus Improper Restriction of Excessive Authentication Attempts
Source: CVE Program / CVE List V5
Vulnerability Description
The number of login attempts is not limited. This could allow an attacker to perform a brute force on HTTP basic authentication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
PiiGAB M-Bus 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PiiGAB M-Bus是PiiGAB公司的一种在电表和中央数据采集系统或预付费单元之间使用的通信协议。 PiiGAB M-Bus 900S版本存在安全漏洞，该漏洞源于登录尝试次数不受限制，可能允许攻击者对HTTP基本身份验证执行暴力破解。
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 |
|---|---|---|---|---|
| PiiGAB | M-Bus SoftwarePack | 900S | - |
|
II. Public POCs for CVE-2023-33868
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-33868 (1)
Same Patch Batch · PiiGAB · 2023-07-06 · 9 CVEs total
| CVE-2023-35987 | 9.8 CRITICAL | PiiGAB M-Bus Use of Hard-coded Credentials |
| CVE-2023-36859 | 8.8 HIGH | PiiGAB M-Bus Code Injection |
| CVE-2023-35120 | 8.8 HIGH | PiiGAB M-Bus Cross-Site Request Forgery |
| CVE-2023-32652 | 8.0 HIGH | PiiGAB M-Bus Cross-site Scripting |
| CVE-2023-31277 | 7.5 HIGH | PiiGAB M-Bus Unprotected Transport of Credentials |
| CVE-2023-34995 | 7.5 HIGH | PiiGAB M-Bus Weak Password Requirements |
| CVE-2023-34433 | 7.5 HIGH | PiiGAB M-Bus Use of Password Hash With Insufficient Computational Effort |
| CVE-2023-35765 | 6.5 MEDIUM | PiiGAB M-Bus Plaintext Storage of a Password |
IV. Related Vulnerabilities
Same product: M-Bus SoftwarePack
Same vendor: PiiGAB
Same weakness: CWE-307
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V. Comments for CVE-2023-33868
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