CVE-2023-34995— PiiGAB M-Bus Weak Password Requirements
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I. Basic Information for CVE-2023-34995
Vulnerability Information
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Vulnerability Title
PiiGAB M-Bus Weak Password Requirements
Source: NVD (National Vulnerability Database)
Vulnerability Description
There are no requirements for setting a complex password for PiiGAB M-Bus, which could contribute to a successful brute force attack if the password is inline with recommended password guidelines.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
弱口令要求
Source: NVD (National Vulnerability Database)
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，该漏洞源于没有要求设置复杂的密码，攻击者利用该漏洞可能通过暴力攻击破解密码。
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-2023-34995
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2023-34433 | 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 |
| CVE-2023-33868 | 5.9 MEDIUM | PiiGAB M-Bus Improper Restriction of Excessive Authentication Attempts |
IV. Related Vulnerabilities
Same product: M-Bus SoftwarePack
Same vendor: PiiGAB
Same weakness: CWE-521
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Horner Automation Cscape and XL4, XL7 PLC Weak password requ - CVE-2026-33771
CTP OS: Configuring password requirements does not work whic - CVE-2026-34203
Nautobot: Management of users via REST API does not apply co - CVE-2025-55269
HCL Aftermarket DPC is affected by Weak Password Policy vuln
V. Comments for CVE-2023-34995
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