6.5

CVE-2019-6473: ics kea Reachable Assertion

CVSS: 6.5v3.1MediumModified
AliasesALPINE-CVE-2019-6473UBUNTU-CVE-2019-6473USN-7759-1
Published 16-10-2019Last modified 16-09-2024

Vulnerability summary

CVE-2019-6473 is a medium (CVSS 6.5) Reachable Assertion vulnerability in ics kea. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.7% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.12%
0%100%
Low · +0.32 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-10-2019
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

1.12%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

+0.32 pp

From 0.80% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.12%

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

Alpine1 product
  • kea≥ 1.4.0, < 1.7.2-r0
Debian1 product
  • isc-kea< 1.7.5-1
Ics1 product
  • kea≥ 1.4.0, ≤ 1.5.0 | 1.6.0:beta1 | 1.6.0:beta2
Isc1 product
  • kea1.4.0 to 1.5.0 | 1.6.0-beta1 | 1.6.0-beta2
Ubuntu1 product
  • isc-kea< 1.0.0-1ubuntu0.1~esm1 | < 1.1.0-1ubuntu0.1~esm1

5 vendors · 5 products

References

6 links