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CVE-2019-1957

Cisco IoT Field Network Director TLS Renegotiation Denial of Service Vulnerability

Published: Aug 8, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-399
7.5HIGH
NVD MITRE
EPSS Score
2.0%
Top 22.2%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-399NVD-CWE-noinfo

Affected Products

iot field network directorciscoNetworking Infrastructure
IoT Field Network DirectorCisco Systems Inc.Networking Infrastructure
Cisco IoT Field Network Director (IoT-FND)CiscoNetworking Infrastructure
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190807-fnd-dos
tools.cisco.com
https://nvd.nist.gov/vuln/detail/CVE-2019-1957
nvd.nist.gov

Timeline

Published
Aug 8, 2019
Last Updated
Nov 21, 2024

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