What is CVE-2019-12656?

CVE-2019-12656 is a high-severity vulnerability in Cisco Cgr 1000, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-09-25.

How severe is CVE-2019-12656?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Cisco Cgr 1000

CVE-2019-12656

A vulnerability in the IOx application environment of multiple Cisco platforms could allow an unauthenticated, remote attacker to cause the IOx web server to stop processing HTTPS requests, resulting in a denial of service (DoS) condition. The vulnerability is due to a Transport Layer Security (TLS) implementation issue. An attacker could exploit this vulnerability by sending crafted TLS packets to the IOx web server on an affected device. A successful exploit could allow the attacker to cause the IOx web server to stop processing HTTPS requests, resulting in a DoS condition.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.018 (76.6th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2019-12656?: CVE-2019-12656 is a high-severity vulnerability in Cisco Cgr 1000, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-09-25.
How severe is CVE-2019-12656?: High severity. CVSS v3 base score is 7.5 out of 10.