MEDIUMCVSS v3.1 5.9Actively exploited · CISA KEV since 2022-03-03Vulnerability

CVE-2017-12319

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.

Properties

Euvd product
Cisco IOS XE
Vulnerability name
Cisco IOS XE Software Ethernet Virtual Private Network Border Gateway Protocol Denial-of-Service Vulnerability
First seen
2026-01-12T21:47:59+00:00
Cvss score
5.9
Epss score
0.05243
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-03-24
Euvd assigner
cisco
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-03-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-03-03
Score
5.9
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
5.9
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Related Entities (201 · showing 23)

AFFECTS_PRODUCT (198 · showing 20)

→[Product]cpe:2.3:h:cisco:4321_integrated_services_router:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:network_convergence_system_520:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9300l-48t-4x-a:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9600_supervisor_engine-1:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9300l-48p-4x-a:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_ie3300_rugged_switch:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9300x:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9600:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:esr-6300-ncp-k9:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9300l-48p-4x-e:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9400_supervisor_engine-1:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9407r:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9300l-24t-4x-e:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9600x:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9500:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_9300l-48t-4g-e:-:*:*:*:*:*:*:*

DESCRIBES (1)

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

HAS_WEAKNESS (1)

→[Weakness]Improper Input Validation

INVOLVES (1)

←[Signal]kev_added · 2022-03-03

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CVE-2017-12319 (CVSS v3.1 5.9) — Ninja Signal Threat Intelligence | Ninja Signal