What is CVE-2015-5230?

CVE-2015-5230 is a high-severity vulnerability in Powerdns Authoritative, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-01-15.

How severe is CVE-2015-5230?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Powerdns Authoritative

CVE-2015-5230

The DNS packet parsing/generation code in PowerDNS (aka pdns) Authoritative Server 3.4.x before 3.4.6 allows remote attackers to cause a denial of service (crash) via crafted query packets.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2020-01-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.090 (95.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.090 · newest: 0.090 · change: 0.000

Affected products

Powerdns Authoritative
Powerdns Authoritative Server — versions 3.4.x before 3.4.6
Debian Linux — versions 8.0, 9.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

doc.powerdns.com/md/security/powerdns-advisory-2015-02/ (Vendor Advisory)
www.debian.org/security/2015/dsa-3347 (Third Party Advisory)
www.securitytracker.com/id/1033475 (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2015-5230?: CVE-2015-5230 is a high-severity vulnerability in Powerdns Authoritative, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-01-15.
How severe is CVE-2015-5230?: High severity. CVSS v3 base score is 7.5 out of 10.