CVE-2019-1957— Cisco IoT Field Network Director TLS Renegotiation Denial of Service Vulnerability
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I. Basic Information for CVE-2019-1957
Vulnerability Information
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Vulnerability Title
Cisco IoT Field Network Director TLS Renegotiation Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the web interface of Cisco IoT Field Network Director could allow an unauthenticated, remote attacker to trigger high CPU usage, resulting in a denial of service (DoS) condition on an affected device. The vulnerability is due to improper handling of Transport Layer Security (TLS) renegotiation requests. An attacker could exploit this vulnerability by sending renegotiation requests at a high rate. A successful exploit could increase the resource usage on the system, eventually leading to a DoS condition.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
资源管理错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IoT Field Network Director 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IoT Field Network Director（IoT-FND）是美国思科（Cisco）公司的一套端到端的物联网管理系统。该系统具有设备管理、资产跟踪和智能计量等功能。 Cisco IoT-FND 4.4.2-11之前版本中的Web管理界面存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。远程攻击者可利用该漏洞导致拒绝服务。
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)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco IoT Field Network Director (IoT-FND) | unspecified ~ n/a | - |
II. Public POCs for CVE-2019-1957
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190807-fnd-dosvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2019-1957
Same Patch Batch · Cisco · 2019-08-08 · 17 CVEs total
| CVE-2019-1973 | Cisco Enterprise NFV Infrastructure Software Cross-site Scripting Vulnerability | |
| CVE-2019-1959 | Cisco Enterprise NFV Infrastructure Software Arbitrary File Read Vulnerabilities | |
| CVE-2019-1960 | Cisco Enterprise NFV Infrastructure Software Arbitrary File Read Vulnerabilities | |
| CVE-2019-1961 | Cisco Enterprise NFV Infrastructure Software Web Portal Arbitrary File Read Vulnerability | |
| CVE-2019-1970 | Cisco Firepower Threat Defense Software File Policy Bypass Vulnerability | |
| CVE-2019-1971 | Cisco Enterprise NFV Infrastructure Software Command Injection Vulnerability | |
| CVE-2019-1972 | Cisco Enterprise NFV Infrastructure Software Privilege Escalation Vulnerability | |
| CVE-2019-1953 | Cisco Enterprise NFV Infrastructure Software Password Recovery Vulnerability | |
| CVE-2019-1954 | Cisco Webex Meetings Server Open Redirection Vulnerability | |
| CVE-2019-1955 | Cisco Email Security Appliance Header Injection Vulnerability | |
| CVE-2019-1956 | Cisco SPA112 2-Port Phone Adapter Stored Cross-Site Scripting Vulnerability | |
| CVE-2019-1958 | Cisco HyperFlex Software Cross-Site Request Forgery Vulnerability | |
| CVE-2019-1949 | Cisco Firepower Management Center Persistent Cross-Site Scripting Vulnerability | |
| CVE-2019-1951 | Cisco SD-WAN Solution Packet Filtering Bypass Vulnerability | |
| CVE-2019-1952 | Cisco Enterprise NFV Infrastructure Software Path Traversal Vulnerability | |
| CVE-2019-1946 | Cisco Enterprise NFV Infrastructure Software Web-Based Management Interface Authentication |
IV. Related Vulnerabilities
Same product: Cisco IoT Field Network Director (IoT-FND)
- CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi - CVE-2026-20168
Cisco IoT Field Network Director Path Traversal Vulnerabilit - CVE-2020-3531
Cisco IoT Field Network Director Unauthenticated REST API Vu - CVE-2020-3392
Cisco IoT Field Network Director Missing API Authentication
Same vendor: Cisco
- CVE-2026-20219
Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
V. Comments for CVE-2019-1957
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