8.6

CVE-2018-0467: cisco cisco ios software Improper Input Validation

CVSS: 8.6v3.0HighModified
Published 05-10-2018Last modified 26-11-2024
Open JSON

Vulnerability summary

CVE-2018-0467 is a high (CVSS 8.6) Improper Input Validation vulnerability in cisco cisco ios software. EPSS estimates a 3.81% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v3.0 (NVD)
EPSS score
3.81%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-10-2018
    PublishedVulnerability first disclosed.
  2. 26-11-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in the IPv6 processing code of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect handling of specific IPv6 hop-by-hop options. An attacker could exploit this vulnerability by sending a malicious IPv6 packet to or through the affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition on an affected device.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.81%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.81% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.81%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco2 products

1 vendor · 2 products

References

3 links