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Vulnerability record · CVE-2022-27227 · published 25 March 2022

CVE-2022-27227: Powerdns authoritative server vulnerability

Powerdns · Authoritative Server

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.

7.5 CVSS 3.1 High EPSS 5.0% · top 8.1%
7.5CVSS 3.1 base score, v2 4.3
5.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
17 Jun 2026Last modified by 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.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2022/03/25/1 Mailing ListPatchThird Party Advisory
https://doc.powerdns.com/authoritative/security-advisories/index.html Vendor Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2022-01.html Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/index.html Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-01.html Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2QKN56VWXUVFOYGUN75N5IR
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HEABZA46XYEUWMGSY2GYYVH
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPHOFNI7FKM5NNOVDOWO4TB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJSKICB67SPPEGNXCQLZVSW
http://www.openwall.com/lists/oss-security/2022/03/25/1 Mailing ListPatchThird Party Advisory
https://doc.powerdns.com/authoritative/security-advisories/index.html Vendor Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2022-01.html Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/index.html Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-01.html Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2QKN56VWXUVFOYGUN75N5IR
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HEABZA46XYEUWMGSY2GYYVH
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPHOFNI7FKM5NNOVDOWO4TB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJSKICB67SPPEGNXCQLZVSW

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-27227), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.