Is CVE-2023-46317 in the CISA KEV catalog?

No. CVE-2023-46317 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-46317?

CVE-2023-46317 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-46317?

CVE-2023-46317 has an EPSS score of 0.64% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-46317?

Upgrade knot-resolver on debian 12 to 5.6.0-1+deb12u1 or later.

CVE & CISA-KEV Catalog

CVE-2023-46317

HIGH

7.5

CVSS v3

NVD

Description

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

How to fix

Remediation Available

knot-resolverDebian

Fixed in:5.6.0-1+deb12u1CVE-2023-46317

Fixed in:5.7.0-1CVE-2023-46317

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.64%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Patch1

gitlab.nic.cz

Release Notes1

knot-resolver.cz

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.