THREATPORT/VULNERABILITY/CVE-2022-27227
HIGH SEVERITY

CVE-2022-27227

Authoritative Server vulnerability

CVSS
7.5
EPSS
4.9%
EPSS pct
91th
Exploited
No known
In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and 4.6.x before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers.
Affected vendor
Powerdns
Affected product
Authoritative Server
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2022-03-25

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 4.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2022-27227

  • Confirm whether Powerdns Authoritative Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-27227.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-27227

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-27227 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-2022-27227?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2022-27227.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2016-3210
Internet Explorer vulnerability
HIGH
CVE-2016-3211
Internet Explorer vulnerability
HIGH
CVE-2016-3214
Edge vulnerability