CVE-2019-6473: ics kea Reachable Assertion
CVSS: 6.5v3.1MediumModified
AliasesALPINE-CVE-2019-6473UBUNTU-CVE-2019-6473USN-7759-1DEBIAN-CVE-2019-6473
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.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
1.12%
0%100%
Low · +0.32 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-10-2019PublishedVulnerability first disclosed.
- 16-09-2024Last 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 versionsMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Low 3.3Preferred score · NVD (NIST)
AV:A/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
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 score1.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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