An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation.
Published 2019-01-29 17:29:00
Updated 2019-10-09 23:49:42
Source Red Hat, Inc.
View at NVD,   CVE.org

Threat overview for CVE-2019-3807

Top countries where our scanners detected CVE-2019-3807
Top open port discovered on systems with this issue 53
IPs affected by CVE-2019-3807 255
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-3807!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-3807

Probability of exploitation activity in the next 30 days: 0.18%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 54 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-3807

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.4
MEDIUM AV:N/AC:L/Au:N/C:P/I:P/A:N
10.0
4.9
NIST
9.8
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST
3.7
LOW CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
1.2
2.5
Red Hat, Inc.

CWE ids for CVE-2019-3807

References for CVE-2019-3807

Products affected by CVE-2019-3807

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