CVE-2021-41371: Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Published Nov 9, 2021
·
Updated

Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Affected Software

64 affected componentsFixes available
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 11
Microsoft Windows 11
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2012 R2<6.3.9600.20174
6.3.9600.20174
Microsoft Windows Server 2012<6.2.9200.23517
6.2.9200.23517
Microsoft Windows Server 2008 R2<6.1.7601.25769
6.1.7601.25769
Microsoft Windows Server 2012<6.2.9200.23517
6.2.9200.23517
Microsoft Windows Server 2008<6.0.6003.21282
6.0.6003.21282
Microsoft Windows Server 2008 R2<6.1.7601.25769
6.1.7601.25769
Microsoft Windows Server 2012 R2<6.3.9600.20174
6.3.9600.20174
Microsoft Windows Server 2008<6.0.6003.21282
6.0.6003.21282
Microsoft Windows Server 2008<6.0.6003.21282
6.0.6003.21282
Microsoft Windows Server 2008<6.0.6003.21282
6.0.6003.21282
Microsoft Windows 8.1 for x64-based systems<6.3.9600.20174
6.3.9600.20174
Microsoft Windows RT 8.1<6.3.9600.20174
6.3.9600.20174
Microsoft Windows Server 2016<10.0.14393.4770
10.0.14393.4770
Microsoft Windows 7<6.1.7601.25769
6.1.7601.25769
Microsoft Windows 8.1 for 32-bit systems<6.3.9600.20174
6.3.9600.20174
Microsoft Windows 7<6.1.7601.25769
6.1.7601.25769
Microsoft Windows Server 2016<10.0.14393.4770
10.0.14393.4770
Microsoft Windows 10=1607
10.0.14393.4770
Microsoft Windows 10=1607
10.0.14393.4770
Microsoft Windows 10<10.0.10240.19119
10.0.10240.19119
Microsoft Windows Server=20H2
10.0.19041.1348
Microsoft Windows 10=20H2
10.0.19042.1348
Microsoft Windows 11=21H2
10.0.22000.318
Microsoft Windows 11=21H2
10.0.22000.318
Microsoft Windows 10<10.0.10240.19119
10.0.10240.19119
Microsoft Windows Server=2004
10.0.19041.1348
Microsoft Windows 10=2004
10.0.19041.1348
Microsoft Windows 10=20H2
10.0.19042.1348
Microsoft Windows 10=2004
10.0.19041.1348
Microsoft Windows 10=2004
10.0.19041.1348
Microsoft Windows Server 2022<10.0.20348.350
10.0.20348.350
Microsoft Windows Server 2022<10.0.20348.350
10.0.20348.350
Microsoft Windows 10=21H1
10.0.19043.1348
Microsoft Windows 10=21H1
10.0.19043.1348
Microsoft Windows 10=21H1
10.0.19043.1348
Microsoft Windows 10=1909
10.0.18363.1916
Microsoft Windows 10=1909
10.0.18363.1916
Microsoft Windows Server 2019<10.0.17763.2300
10.0.17763.2300
Microsoft Windows 10=1909
10.0.18363.1916
Microsoft Windows Server 2019<10.0.17763.2300
10.0.17763.2300
Microsoft Windows 10=1809
10.0.17763.2300
Microsoft Windows 10=1809
10.0.17763.2300
Microsoft Windows 10=1809
10.0.17763.2300

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.9600.20174Patch KB5007255
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.2.9200.23517Patch KB5007245
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.1.7601.25769Patch KB5007233
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.0.6003.21282Patch KB5007246
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.9600.20174Patch KB5007247
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.14393.4770Patch KB5007192
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.10240.19119Patch KB5007207
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19041.1348Patch KB5007186
  9. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19042.1348Patch KB5007186
  10. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.22000.318Patch KB5007215
  11. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.20348.350Patch KB5007205
  12. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19043.1348Patch KB5007186
  13. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.18363.1916Patch KB5007189
  14. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.17763.2300Patch KB5007206

Event History

Nov 9, 2021
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
Nov 10, 2021
CVE Published
via MITRE·12:46 AM
Data Sourced
via MITRE·12:46 AM
DescriptionSeverity
Data Sourced
via NVD·01:19 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-41371?

CVE-2021-41371 has a severity rating of important, indicating that it poses a significant risk if exploited.

2

What impact does CVE-2021-41371 have on affected systems?

CVE-2021-41371 can lead to information disclosure, potentially allowing an attacker to access sensitive information from affected systems.

3

How do I fix CVE-2021-41371?

To address CVE-2021-41371, install the latest security updates provided by Microsoft for your specific version of Windows.

4

Which versions of Windows are affected by CVE-2021-41371?

CVE-2021-41371 affects multiple versions of Windows, including Windows 10, Windows 8.1, Windows 7, and various Windows Server editions.

5

Is there a workaround for CVE-2021-41371 until a fix is applied?

Currently, there are no known workarounds for CVE-2021-41371, so applying the update as soon as possible is recommended.

Contact

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