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-2019-6473

17
FAUCET Score

CVE-2019-6473 describes an assertion failure vulnerability in the Kea DHCPv4 server (kea-dhcp4) affecting versions 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2. An attacker can trigger this flaw by sending an invalid hostname option, leading to the server process exiting and causing a denial of service. The vulnerability has a CVSS score of 6.5 (MEDIUM), indicating a network-adjacent attack vector with low complexity and high impact on availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.4.0, <= 1.5.0CPE matchmatch criteria
cpe:2.3:a:ics:kea:*:*:*:*:*:*:*:*
1.6.0CPE matchmatch criteria
cpe:2.3:a:ics:kea:1.6.0:beta1:*:*:*:*:*:*
1.6.0CPE matchmatch criteria
cpe:2.3:a:ics:kea:1.6.0:beta2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-23
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 83rd percentile among its peer group of 1,801 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

kb.isc.org / docs/cve-2019-6473
Vendor Advisory