CVE-2020-1013

Group Policy Elevation of Privilege Vulnerability

High · published September 11, 2020

CVSS v3.1
7.5
EPSS
6%
Percentile
93.6
In the wild
Unconfirmed
What it is

<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>

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.06405 · 93.6th percentile
Published
2020-09-11T17:08Z
EPSS history
Timeline
  • 11 SEP 17:08Z
    Group Policy Elevation of Privilege Vulnerability
    cvelistv5