CVE-2018-1000002

Name: CVE-2018-1000002
Creator: NVD / NIST
Published: 2018-01-22T18:29:00.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.7/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2018-1000002 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. Improper input validation bugs in DNSSEC validators components in Knot Resolver (prior version 1.5.2) allow attacker in man-in-the-middle position to deny existence of some data in DNS via packet replay.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

Improper input validation bugs in DNSSEC validators components in Knot Resolver (prior version 1.5.2) allow attacker in man-in-the-middle position to deny existence of some data in DNS via packet replay.

Metrics

CVSS 3.1

3.7/10

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

EPSS Probability

1.09%

61.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Nic	Knot Resolver	< 1.5.2

References

https://www.knot-resolver.cz/2018-01-22-knot-resolver-1.5.2.htmlVendor Advisory
https://www.knot-resolver.cz/2018-01-22-knot-resolver-1.5.2.htmlVendor Advisory

Timeline

Published: Jan 22, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000002?

How severe is CVE-2018-1000002?

CVE-2018-1000002 has a CVSS score of 3.7/10 (LOW severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000002?

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-2018-1000002?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST