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MEDIUM SEVERITY
CVE-2017-12319 Cisco · IOS XE Software

Cisco IOS XE Software Ethernet Virtual Private Network Border Gateway Protocol Denial-of-Service Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM
5.9 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitation Likelihood

EPSS Prediction

0.94 %
Predictive Probability
Percentile Rank
75.8 th

Documented as more likely to be exploited than 75.8% of known CVEs.

Detection Date

Mar 03, 2022

Remediation Due

Mar 24, 2022

CISA Catalog Active

Threat Analysis

A vulnerability in the Border Gateway Protocol (BGP) over an Ethernet Virtual Private Network (EVPN) for Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a denial of service (DoS) condition, or potentially corrupt the BGP routing table, which could result in network instability.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence