CVE-2021-34454: Windows Remote Access Connection Manager Information Disclosure Vulnerability

Published Jul 13, 2021
·
Updated

Windows Remote Access Connection Manager Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-33763, CVE-2021-34457.

Affected Software

43 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 8.1
Microsoft Windows RT 8.1
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 10=21H1
10.0.19043.1110
Microsoft Windows 10=21H1
10.0.19043.1110
Microsoft Windows 10=1909
10.0.18363.1679
Microsoft Windows 10=1909
10.0.18363.1679
Microsoft Windows Server 2019<10.0.17763.2061
10.0.17763.2061
Microsoft Windows Server 2019<10.0.17763.2061
10.0.17763.2061
Microsoft Windows 10=1909
10.0.18363.1679
Microsoft Windows 10=1809
10.0.17763.2061
Microsoft Windows Server=2004
10.0.19041.1110
Microsoft Windows 10=1809
10.0.17763.2061
Microsoft Windows 10=2004
10.0.19041.1110
Microsoft Windows 10=2004
10.0.19041.1110
Microsoft Windows Server 2016<10.0.14393.4530
10.0.14393.4530
Microsoft Windows 8.1 for x64-based systems<6.3.9600.20069
6.3.9600.20069
Microsoft Windows 10=2004
10.0.19041.1110
Microsoft Windows 10<10.0.10240.19003
10.0.10240.19003
Microsoft Windows Server 2012 R2<6.3.9600.20069
6.3.9600.20069
Microsoft Windows 10=21H1
10.0.19043.1110
Microsoft Windows 10<10.0.10240.19003
10.0.10240.19003
Microsoft Windows Server=20H2
10.0.19042.1110
Microsoft Windows RT 8.1<6.3.9600.20069
6.3.9600.20069
Microsoft Windows Server 2012 R2<6.3.9600.20069
6.3.9600.20069
Microsoft Windows 10=1607
10.0.14393.4530
Microsoft Windows 10=1607
10.0.14393.4530
Microsoft Windows 10=1809
10.0.17763.2061
Microsoft Windows 10=20H2
10.0.19042.1110
Microsoft Windows 10=20H2
10.0.19042.1110
Microsoft Windows 8.1 for 32-bit systems<6.3.9600.20069
6.3.9600.20069
Microsoft Windows Server 2016<10.0.14393.4530
10.0.14393.4530

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 10.0.19043.1110Patch KB5004237
  2. Upgrade

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

    Fixed in 10.0.18363.1679Patch KB5004245
  3. Upgrade

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

    Fixed in 10.0.17763.2061Patch KB5004244
  4. Upgrade

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

    Fixed in 10.0.19041.1110Patch KB5004237
  5. Upgrade

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

    Fixed in 10.0.14393.4530Patch KB5004238
  6. Upgrade

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

    Fixed in 6.3.9600.20069Patch KB5004285
  7. Upgrade

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

    Fixed in 10.0.10240.19003Patch KB5004249
  8. Upgrade

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

    Fixed in 10.0.19042.1110Patch KB5004237
  9. Upgrade

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

    Fixed in 6.3.9600.20069Patch KB5004298

Event History

Jul 13, 2021
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
Jul 16, 2021
CVE Published
via MITRE·08:19 PM
Data Sourced
via MITRE·08:19 PM
DescriptionSeverity
Data Sourced
via NVD·09:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-34454?

CVE-2021-34454 has been assigned a severity rating of Important according to Microsoft.

2

How do I fix CVE-2021-34454?

To fix CVE-2021-34454, apply the latest security updates provided by Microsoft for your affected Windows version.

3

Which systems are affected by CVE-2021-34454?

CVE-2021-34454 affects various versions of Microsoft Windows, including Windows 10, 8.1, and Windows Server versions.

4

What type of vulnerability is CVE-2021-34454?

CVE-2021-34454 is categorized as an Information Disclosure vulnerability.

5

Is CVE-2021-34454 remotely exploitable?

Yes, CVE-2021-34454 can be exploited remotely, which can lead to unauthorized information disclosure.

Contact

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