CVE-2021-38636
published 2021-09-15CVE-2021-38636: Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability
PriorityP422medium5.5CVSS 3.1
AVLACLPRLUINSUCHINAN
EPSS
0.87%
56.3th percentile
Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability
Affected
45 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.19060 | 10.0.10240.19060 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.4651 | 10.0.14393.4651 |
| microsoft | windows_10_version_1809 | >= 10.0.0 < 10.0.17763.2183 | 10.0.17763.2183 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.2183 | 10.0.17763.2183 |
| microsoft | windows_10_version_1909 | >= 10.0.0 < 10.0.18363.1801 | 10.0.18363.1801 |
| microsoft | windows_10_version_2004 | >= 10.0.0 < 10.0.19041.1237 | 10.0.19041.1237 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.1237 | 10.0.19042.1237 |
| microsoft | windows_10_version_21h1 | >= 10.0.0 < 10.0.19043.1237 | 10.0.19043.1237 |
| microsoft | windows_7 | >= 6.1.0 < 6.1.7601.25712 | 6.1.7601.25712 |
| microsoft | windows_7_service_pack_1 | >= 6.1.0 < 6.1.7601.25712 | 6.1.7601.25712 |
| microsoft | windows_8.1 | >= 6.3.0 < 6.3.9600.20120 | 6.3.9600.20120 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.25712 | 6.1.7601.25712 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.21218 | 6.0.6003.21218 |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.23462 | 6.2.9200.23462 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.20120 | 6.3.9600.20120 |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.4651 | 10.0.14393.4651 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
vendor_msrc5.5MEDIUM
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VulDB
Microsoft Windows up to Server 2022 Redirected Drive Buffering Subsystem Driver information disclosure
vuldb·2026-08-13·CVSS 5.5
CVE-2021-38636 [MEDIUM] Microsoft Windows up to Server 2022 Redirected Drive Buffering Subsystem Driver information disclosure
A vulnerability labeled as problematic has been found in Microsoft Windows. Affected is an unknown function of the component Redirected Drive Buffering Subsystem Driver. Such manipulation leads to information disclosure.
This vulnerability is traded as CVE-2021-38636. The attack may be launched remotely. There is no exploit available.
It is best practice to apply a patch to resolve this issue.
GHSA
GHSA-f5vf-pw7c-hmwf: Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-36969, CVE-2021-38635
ghsa_unreviewed·2022-05-24·CVSS 5.5
CVE-2021-38636 [MEDIUM] GHSA-f5vf-pw7c-hmwf: Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-36969, CVE-2021-38635
Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-36969, CVE-2021-38635.
GHSA
GHSA-g7cc-p3mh-884q: Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-38635, CVE-2021-38636
ghsa_unreviewed·2022-05-24·CVSS 5.5
CVE-2021-36969 [MEDIUM] GHSA-g7cc-p3mh-884q: Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-38635, CVE-2021-38636
Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-38635, CVE-2021-38636.
GHSA
GHSA-8rvx-7ff2-2h9c: Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-36969, CVE-2021-38636
ghsa_unreviewed·2022-05-24·CVSS 5.5
CVE-2021-38635 [MEDIUM] GHSA-8rvx-7ff2-2h9c: Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-36969, CVE-2021-38636
Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-36969, CVE-2021-38636.
Microsoft
Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability
vendor_msrc·2021-09-14·CVSS 5.5
CVE-2021-38636 [MEDIUM] Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability
Windows Redirected Drive Buffering SubSystem Driver Information Disclosure Vulnerability
FAQ: What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Kernel memory read - unintentional read access to memory contents in kernel space from a user mode process.
Windows Redirected Drive Buffering: Windows Redirected Drive Buffering
Microsoft: Microsoft
Impact: Information Disclosure
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5005568
Reference: https://support.microsoft.com/help/5005568
Re
No detection rules found.
No public exploits indexed.
2021-09-15
Published