CVE-2019-6473
MEDIUMCVSS 6.5/10EPSS 0.80%
Last modified
CVE-2019-6473 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Ics | Kea | >= 1.4.0, <= 1.5.0 | — |
| Ics | Kea | 1.6.0 | Beta1 |
References
- https://kb.isc.org/docs/cve-2019-6473Vendor Advisory
- https://kb.isc.org/docs/cve-2019-6473Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-6473?
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.
How severe is CVE-2019-6473?
CVE-2019-6473 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6473?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-6473?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST