netVigilance Vulnerability intelligence since 2004
CVE-2017-12319 · netVigilance record NV22-0130

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

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2022-03-24 · passed 4 years 5 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Cisco IOS XE Software. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-20.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 5 months ago

Sources