CVE-2019-1957

Cisco IoT Field Network Director TLS Renegotiation Denial of Service Vulnerability

State: Published
Severity: 5.3 Medium
Published: Aug 8, 2019
Updated: Nov 19, 2024
Reserved: Dec 6, 2018

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.

Scores

CVSS	Score	Vector	Source
3.0	5.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	cisco

Weaknesses

CWE-399

Affected Products

Product	Versions
Cisco IoT Field Network Director (IoT-FND)Cisco	before n/aAffected

References

20190807 Cisco IoT Field Network Director TLS Renegotiation Denial of Service Vulnerabilityvendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.