CVE-2020-1113CWE-295

CVE-2020-1113

Medium · published May 22, 2020

CVSS v3.1
5.3
EPSS
6%
Percentile
93.6
In the wild
Unconfirmed
What it is

A security feature bypass vulnerability exists in Microsoft Windows when the Task Scheduler service fails to properly verify client connections over RPC. An attacker who successfully exploited this vulnerability could run arbitrary code as an administrator. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

To exploit this vulnerability, a man-in-the-middle attacker would need to send a specially crafted request to a vulnerable system.

The security update addresses the vulnerability by correcting how the Task Scheduler service validates connections.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.06314 · 93.6th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2020-05-22T03:15Z
Affected products (23)
ProductVersionsFixed in
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_7all versions—
microsoft/windows_7all versions—
microsoft/windows_8.1all versions—
microsoft/windows_8.1all versions—
microsoft/windows_rt_8.1all versions—
microsoft/windows_server_2008all versions—
microsoft/windows_server_2008all versions—
microsoft/windows_server_2008all versions—
microsoft/windows_server_2012all versions—
microsoft/windows_server_2012all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2019all versions—
microsoft/windows_server_2019all versions—
microsoft/windows_server_2019all versions—
References (2)
EPSS history
Timeline
  • 21 MAY 22:53Z
    A security feature bypass vulnerability exists in Microsoft Windows when the Task Scheduler service fails to properly verify client connections over RPC, aka…
    cvelistv5