CVE-2019-1957
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Cisco Iot Field Network Director
PublishedAug 8, 2019
First seenAug 8, 2019
Weakness typeCWE-399CWE-399
How to fix
Update
- cisco iot_field_network_director4.4.2-11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco iot_field_network_director | v < 4.4.2-11 | 4.4.2-11 |
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