Is CVE-2022-27227 in the CISA KEV catalog?

No. CVE-2022-27227 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-27227?

CVE-2022-27227 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-27227?

CVE-2022-27227 has an EPSS score of 4.91% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-27227?

Upgrade pdns on debian 12 to 4.6.1-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2022-27227

HIGHEPSS 91th pctl

7.5

CVSS v3

NVD

Description

In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and 4.6.x before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers.

How to fix

Remediation Available

pdnsDebian

Fixed in:4.6.1-1CVE-2022-27227

pdnsUbuntu

Fixed in:4.0.0~alpha2-3ubuntu0.1~esm1USN-7203-1

Fixed in:4.1.1-1ubuntu0.1~esm1USN-7203-1

Fixed in:4.2.1-1ubuntu0.1~esm1USN-7203-1

Fixed in:4.5.3-1ubuntu0.1~esm1USN-7203-1

pdns-recursorUbuntu

Fixed in:4.0.0~alpha2-2ubuntu0.1+esm1USN-7203-1

Fixed in:4.1.1-2ubuntu0.1~esm1USN-7203-1

Fixed in:4.2.1-1ubuntu0.1~esm1USN-7203-1

Fixed in:4.6.0-1ubuntu1+esm1USN-7203-1

pdns-serverUbuntu

Fixed in:4.0.0~alpha2-3ubuntu0.1~esm1USN-7203-1

Fixed in:4.1.1-1ubuntu0.1~esm1USN-7203-1

Fixed in:4.2.1-1ubuntu0.1~esm1USN-7203-1

Fixed in:4.5.3-1ubuntu0.1~esm1USN-7203-1

pdns-toolsUbuntu

Fixed in:4.0.0~alpha2-3ubuntu0.1~esm1USN-7203-1

Fixed in:4.1.1-1ubuntu0.1~esm1USN-7203-1

Fixed in:4.2.1-1ubuntu0.1~esm1USN-7203-1

Fixed in:4.5.3-1ubuntu0.1~esm1USN-7203-1

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

4.91%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch1

openwall.com

Vendor Advisory4

Other references4

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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.