HIGHCVSS v3.1 7.5Actively exploited · CISA KEV since 2022-03-03Vulnerability

CVE-2017-6627

A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.

Properties

Euvd product
Cisco IOS and Cisco IOS XE
Vulnerability name
Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerability
First seen
2025-10-21T23:55:34+00:00
Cvss score
7.5
Epss score
0.06158
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
7.5
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Related Entities (75 · showing 24)

AFFECTS_PRODUCT (71 · showing 20)

→[Product]cpe:2.3:o:cisco:ios_xe:3.14.0s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.17.1s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.18.2s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.18.3s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.18.0as:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.18.1s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.17.3s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.18.0s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.17.1as:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.18.3vs:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios:15.4\(3\)m4:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios:15.4\(1\)t1:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.15.4s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.15.3s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios:15.4\(3\)m:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.16.3as:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.16.1s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.14.1s:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.16.0cs:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios:15.4\(3\)m1:*:*:*:*:*:*:*

HAS_WEAKNESS (2)

→[Weakness]Improper Resource Shutdown or Release
→[Weakness]CWE-399

DESCRIBES (1)

←[KEVEntry]Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2022-03-03

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CVE-2017-6627 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal