VULNERABILITY INTELLIGENCE
CVE-2019-3871
CVSS score6.5 MEDIUM
EPSS probability12.63%
CISA KEVNot currently listed
Published2019-03-21
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Description
A vulnerability was found in PowerDNS Authoritative Server before 4.0.7 and before 4.1.7. An insufficient validation of data coming from the user when building a HTTP request from a DNS query in the HTTP Connector of the Remote backend, allowing a remote user to cause a denial of service by making the server connect to an invalid endpoint, or possibly information disclosure by making the server connect to an internal endpoint and somehow extracting meaningful information about the response
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- secalert@redhat.com
- secalert@redhat.com — Exploit, Mailing List, Patch, Third Party Advisory
- secalert@redhat.com — Third Party Advisory, VDB Entry
- secalert@redhat.com — Exploit, Issue Tracking, Patch, Third Party Advisory
- secalert@redhat.com — Vendor Advisory
- secalert@redhat.com
- secalert@redhat.com
- secalert@redhat.com
- secalert@redhat.com
- secalert@redhat.com
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Patch, Third Party Advisory