Home / Vulnerabilities / CVE-2017-12231
HIGH SEVERITY
CVE-2017-12231 Cisco · IOS software

Cisco IOS Software Network Address Translation Denial-of-Service Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH
7.5 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitation Likelihood

EPSS Prediction

6.80 %
Predictive Probability
Percentile Rank
91.1 th

Documented as more likely to be exploited than 91.1% of known CVEs.

Detection Date

Mar 03, 2022

Remediation Due

Mar 24, 2022

CISA Catalog Active

Threat Analysis

A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS could allow an unauthenticated, remote attacker to cause a denial of service.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence