CVE-2019-3807

low-risk

Published 2019-01-29

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.

Do I need to act?

0.00% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 3.7/10 Low

NETWORK / HIGH complexity

Affected Products (1)

Recursor

Affected Vendors

Powerdns

References (4)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3807

Vendor Advisory https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02...

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3807

Vendor Advisory https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02...

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low-risk

Severity 13/34 · Low

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal