Back to Database
Status published
High
CVE-2020-12244
An issue has been found in PowerDNS Recursor 4.1.0 through...
Vulnerability Description
An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-12244
Credits & Attribution
No credits recorded in the NVD database.
References
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html
- http://www.openwall.com/lists/oss-security/2020/05/19/3
- https://www.debian.org/security/2020/dsa-4691
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/
More from powerdns
View All →CVE-2022-37428
PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1,...
Medium
6.5
CVE-2022-27227
In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and...
High
7.5
CVE-2021-36754
PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash...
High
7.5
CVE-2020-25829
An issue has been found in PowerDNS Recursor before 4.1.18,...
High
7.5
CVE-2020-24698
An issue was discovered in PowerDNS Authoritative through 4.3.0 when...
Critical
9.8
Affected Vendor
powerdns
View all reports →Affected Software
recursor, fedora, debian linux, backports sle, leap
Vulnerable Versions:
4.1.0, 31, 32, 10.0, 15.0, 15.1
Timeline
Official Publish:
May 19th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.