DEBIAN-CVE-2020-12244

DEBIAN-CVE-2020-12244 PUBLISHED CVSS 7.5 HIGH

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.

Risk Scores

CVSS v3.1

7.5

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

Affected Products

Vendor	Product	Versions
Debian:12	pdns-recursor	0, 0, 0
Debian:14	pdns-recursor	0, 0, 0
Debian:13	pdns-recursor	0, 0, 0
Debian:11	pdns-recursor	0, 0, 0

Timeline

May 19, 2020 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2020-12244 advisory

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