Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-0466

22
FAUCET Score

CVE-2018-0466 is a denial-of-service vulnerability in the Open Shortest Path First version 3 (OSPFv3) implementation of Cisco IOS and IOS XE Software. An unauthenticated, adjacent attacker can exploit this by sending specially crafted OSPFv3 Link-State Advertisements (LSAs), causing the affected device to reload. This vulnerability has a CVSSv3 score of 6.5 (Medium), indicating a low attack complexity and high impact on availability. While there is no known public exploit code or active exploitation, it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
16.2.1CPE matchmatch criteria
cpe:2.3:o:cisco:ios:16.2.1:*:*:*:*:*:*:*
16.2.1CPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:16.2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 87th percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

ics-cert.us-cert.gov / advisories/ICSA-19-094-03
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ospfv3-dos
Vendor Advisory
securityfocus.com / bid/105403
Third Party AdvisoryVDB Entry
securitytracker.com / id/1041737
Third Party AdvisoryVDB Entry