What is CVE-2019-16027?

CVE-2019-16027 is a medium-severity vulnerability in Cisco Asr 9000, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-01-26.

How severe is CVE-2019-16027?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Cisco Asr 9000

CVE-2019-16027

A vulnerability in the implementation of the Intermediate System–to–Intermediate System (IS–IS) routing protocol functionality in Cisco IOS XR Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition in the IS–IS process. The vulnerability is due to improper handling of a Simple Network Management Protocol (SNMP) request for specific Object Identifiers (OIDs) by the IS–IS process. An attacker could exploit this vulnerability by sending a crafted SNMP request to the affected device. A successful exploit could allow the attacker to cause a DoS condition in the IS–IS process.

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

EPSS: 0.015 (73.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/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-2019-16027?: CVE-2019-16027 is a medium-severity vulnerability in Cisco Asr 9000, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-01-26.
How severe is CVE-2019-16027?: Medium severity. CVSS v3 base score is 6.5 out of 10.