Critical severity · published Jan 29, 2019
CVE-2019-3807
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…
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PD
pdns-recursor · Power DNS
versions 4.1.x before 4.1.9 · source: vendor
RE
Recursor · Powerdns
4.1.0 through 4.1.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3807
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3807
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.html
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8.1
CVE-2019-3806
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