HIGH SEVERITY

CVE-2020-1013

Windows 10 vulnerability

CVSS
7.5
EPSS
6.4%
EPSS pct
93th
Exploited
No known
<p>An elevation of privilege vulnerability exists when Microsoft Windows processes group policy updates. An attacker who successfully exploited this vulnerability could potentially escalate permissions or perform additional privileged actions on the target machine.</p> <p>To exploit this vulnerability, an attacker would need to launch a man-in-the-middle (MiTM) attack against the traffic passing between a domain controller and the target machine. An attacker could then create a group policy to grant administrator rights to a standard user.</p> <p>The security update addresses the vulnerability by enforcing Kerberos authentication for certain calls over LDAP.</p>
Affected vendor
Microsoft
Affected product
Windows 10
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-09-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 6.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2020-1013

  • Confirm whether Microsoft Windows 10 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-1013.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-1013

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