CVE-2019-6473 | BDVDB-2026-124513 Detail

ISCKea

Description#

An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: adjacent.

Weaknesses#

No weakness recorded in the source data.

References#

https://kb.isc.org/docs/cve-2019-6473

Exploit#

No public exploit known

History#

Version 12019-10-16Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2019-10-16
Last modified: 2024-09-16

Vendor information

Vendor: ISC
Product: Kea

All ISC vulnerabilities

Score

6.5 Medium

EPSS

1.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 67.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
1.4.0 to 1.5.0
Fixed
Not stated
Vulnerable
1.6.0-beta1
Fixed
Not stated
Vulnerable
1.6.0-beta2
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Adjacent
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).