Vulnerability in Cisco Iot Field Network Director (Iot-Fnd)
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Cisco Iot Field Network Director (Iot-Fnd) — versions unspecified
- Cisco Iot Field Network Director
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190807… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1957?
- CVE-2019-1957 is a high-severity vulnerability in Cisco Iot Field Network Director (Iot-Fnd), classified under CWE-399. CVSS score: 7.5/10. Published 2019-08-08.
- How severe is CVE-2019-1957?
- High severity. CVSS v3 base score is 7.5 out of 10.