All vulnerabilities
CVE-2017-12319

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

Cisco IOS XE SoftwareOperating systems
CVSS
5.9Medium
ExploitationExploited in the wildAdded to KEV 3 Mar 2022CISA KEV
Exploit odds (EPSS)5.24%Chance of exploitation activity in the next 30 days, higher than 92% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline24 Mar 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 27 Mar 2018, 09:00 UTCPublishedCVE List
  2. 3 Mar 2022Added to CISA KEVCISA KEV

Description

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.

Text from CVE List

Affected versions 1

  • Cisco IOS XEaffected: Cisco IOS XECVE List

References 3