7.8
HIGH
CVE-2021-27070
Windows Update Assistant Privilege Escalation
Description

Windows 10 Update Assistant Elevation of Privilege Vulnerability

INFO

Published Date :

March 11, 2021, 4:15 p.m.

Last Modified :

Dec. 29, 2023, 8:15 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-27070 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows_10
2 Microsoft windows_server_2016
3 Microsoft windows_10_1809
4 Microsoft windows_10_20h2
5 Microsoft windows_server_20h2
6 Microsoft windows_server_2004
: Total Affected Vendor : 1 | Products : 6
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-27070.

URL Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27070 Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-329/ Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-27070 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-27070 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Dec. 29, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 Microsoft Corporation AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  • CWE Remap by [email protected]

    May. 03, 2022

    Action Type Old Value New Value
    Changed CWE CWE-269 CWE-732
  • Modified Analysis by [email protected]

    Mar. 24, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Removed CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Removed CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-21-329/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-21-329/ Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Mar. 17, 2021

    Action Type Old Value New Value
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-21-329/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 16, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27070 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27070 Patch, Vendor Advisory
    Added CWE NIST CWE-269
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} -0.00%

score

0.30750

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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