Is CVE-2019-3806 in the CISA KEV catalog?

No. CVE-2019-3806 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-3806?

CVE-2019-3806 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2019-3806?

CVE-2019-3806 has an EPSS score of 1.46% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-3806?

Upgrade pdns-recursor on debian 11 to 4.1.9-1 or later.

CVE & CISA-KEV Catalog

CVE-2019-3806

HIGHEPSS 70th pctl

8.1

CVSS v3

NVD

Description

An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua.

CWE-358

How to fix

Remediation Available

pdns-recursorDebian

Fixed in:4.1.9-1CVE-2019-3806

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.46%probability of exploitation in 30 days

70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

Vendor Advisory1

docs.powerdns.com

Third-Party Advisory1

bugzilla.redhat.com

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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.