THREATPORT/VULNERABILITY/CVE-2016-5426
HIGH SEVERITY

CVE-2016-5426

Authoritative vulnerability

CVSS
7.5
EPSS
30.6%
EPSS pct
98th
Exploited
No known
PowerDNS (aka pdns) Authoritative Server before 3.4.10 allows remote attackers to cause a denial of service (backend CPU consumption) via a long qname.
Affected vendor
Powerdns
Affected product
Authoritative
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
Published
2016-09-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 30.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2016-5426

  • Confirm whether Powerdns Authoritative is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-5426.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-5426

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-5426 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2016-5426?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2016-5426.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2002-1123
Data Engine vulnerability
HIGH
CVE-2002-0965
Oracle9i vulnerability
HIGH
CVE-2002-1059
Securecrt vulnerability