Cisco IoT Field Network Director TLS Renegotiation Denial of Service Vulnerability
CVE-2019-1957

5.3MEDIUM

Key Information:

Vendor

Cisco
Status
Cisco Iot Field Network Director (iot-fnd)
Vendor
CVE Published:
8 August 2019

Badges

👾 Exploit Exists

What is CVE-2019-1957?

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.

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Affected Version(s)

Cisco IoT Field Network Director (IoT-FND) < unspecified

References

https://tools.cisco.com/security/center/content/CiscoSecu...
vendor-advisoryx_refsource_CISCO

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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