VULNERABILITY INTELLIGENCE

CVE-2020-12244

CVSS score7.5 HIGH
EPSS probability2.43%
CISA KEVNot currently listed
Published2020-05-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-347

Primary references