THREATPORT/VULNERABILITY/CVE-2020-0836
HIGH SEVERITY

CVE-2020-0836

Windows Server 2008 vulnerability

CVSS
7.5
EPSS
5.1%
EPSS pct
91th
Exploited
No known
<p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.</p> <p>To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.</p> <p>The update addresses the vulnerability by correcting how Windows DNS processes queries.</p>
Affected vendor
Microsoft
Affected product
Windows Server 2008
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-09-11

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 5.1% 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-2020-0836

  • Confirm whether Microsoft Windows Server 2008 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-0836.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-0836

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-0836 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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