CVE-2023-46317

HIGH EPSS 46.2%
Published Oct 22, 20232y ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Oct 22, 2023 2y ago
Last Modified Jun 17, 2026 1w ago

Description

Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
46.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 1

VendorProductVersionRange
nicknot_resolver* <5.7.0

References 2

  • gitlab.nic.cz https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1448
    PatchRelease Notes
  • knot-resolver.cz https://www.knot-resolver.cz/2023-08-22-knot-resolver-5.7.0.html
    Release Notes

Remediation

  • gitlab.nic.cz https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1448
    PatchRelease Notes