CVE-2023-50707— Uncontrolled Resource Consumption in EFACEC BCU 500
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I. Basic Information for CVE-2023-50707
Vulnerability Information
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Vulnerability Title
Uncontrolled Resource Consumption in EFACEC BCU 500
Source: NVD (National Vulnerability Database)
Vulnerability Description
Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
EFACEC BCU 500 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EFACEC BCU 500是葡萄牙EFACEC公司的一个可编程控制系统。 EFACEC BCU 500 存在资源管理错误漏洞，该漏洞源于通过利用活动用户会话，攻击者可以发送自定义请求以在设备上造成拒绝服务。
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)
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Affected Products
II. Public POCs for CVE-2023-50707
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02government-resource
- https://nvd.nist.gov/vuln/detail/CVE-2023-50707
Same Patch Batch · EFACEC · 2023-12-19 · 6 CVEs total
| CVE-2023-6689 | 8.2 HIGH | Cross-Site Request Forgery in EFACEC BCU 500 |
| CVE-2023-50703 | 6.3 MEDIUM | Cleartext Transmission of Sensitive Information in EFACEC UC 500E |
| CVE-2023-50705 | 5.3 MEDIUM | Exposure of Sensitive Information to an Unauthorized Actor in EFACEC UC 500E |
| CVE-2023-50704 | 4.3 MEDIUM | URL Redirection to Untrusted Site ('Open Redirect') in EFACEC UC 500E |
| CVE-2023-50706 | 4.1 MEDIUM | Improper Access Control in EFACEC UC 500E |
IV. Related Vulnerabilities
Same vendor: EFACEC
- CVE-2026-22539
INFORMATION DISCLOSURE VIA CURL REQUESTS (OCPP) - CVE-2026-22537
INFORMATION DISCLOSURE WITHIN THE OPERATING SYSTEM - CVE-2026-22536
PRIVILEGE ESCALATION VIA SUDO COMMAND - CVE-2026-22535
FRAIL SECURITY IN MQTT PROTOCOL ALLOWS AN ATTACKER MODIFY CR - CVE-2026-22544
EXCHANGE OF CREDENTIALS IN CLEAR TEXT
Same weakness: CWE-400
- CVE-2026-8187
Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption - CVE-2026-42343
FastGPT: Uncontrolled Resource Consumption leading to Sandbo - CVE-2026-42212
SolidCAM-GPPL-IDE: XML External Entity (XXE) and billion-lau - CVE-2026-32686
Unbounded exponent in decimal enables unauthenticated DoS - CVE-2026-20188
Cisco Crosswork Network Controller and Cisco Network Service
V. Comments for CVE-2023-50707
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