CVE-2021-33786
published 2021-07-14CVE-2021-33786: Windows LSA Security Feature Bypass Vulnerability Windows LSA Security Feature Bypass Vulnerability
high8.1
Windows LSA Security Feature Bypass Vulnerability
Windows LSA Security Feature Bypass Vulnerability
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.0.0 < 6.1.7601.25661 | 6.1.7601.25661 |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.0 < 6.1.7601.25661 | 6.1.7601.25661 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.0 < 6.0.6003.21167 | 6.0.6003.21167 |
| microsoft | windows_server_2012 | >= 6.2.0 < 6.2.9200.23409 | 6.2.9200.23409 |
| microsoft | windows_server_2012_r2 | >= 6.3.0 < 6.3.9600.20069 | 6.3.9600.20069 |
| microsoft | windows_server_2016 | >= 10.0.0 < 10.0.14393.4530 | 10.0.14393.4530 |
| microsoft | windows_server_2019 | >= 10.0.0 < 10.0.17763.2061 | 10.0.17763.2061 |
| microsoft | windows_server_version_2004 | >= 10.0.0 < 10.0.19041.1110 | 10.0.19041.1110 |
| microsoft | windows_server_version_20h2 | >= 10.0.0 < 10.0.19042.1110 | 10.0.19042.1110 |
| msrc | windows_server_2008_for_32-bit_systems_service_pack_2 | — | — |
| msrc | windows_server_2008_for_x64-based_systems_service_pack_2 | — | — |
| msrc | windows_server_2008_r2_for_x64-based_systems_service_pack_1 | — | — |
| msrc | windows_server_2012 | — | — |
| msrc | windows_server_2012_r2 | — | — |
| msrc | windows_server_2016 | — | — |
| msrc | windows_server_2019 | — | — |
| msrc | windows_server_version_2004 | — | — |
| msrc | windows_server_version_20h2 | — | — |
CVEList
Windows LSA Security Feature Bypass Vulnerability
cvelistv5·2021-07-14·CVSS 8.1
CVE-2021-33786 [HIGH] Windows LSA Security Feature Bypass Vulnerability
Windows LSA Security Feature Bypass Vulnerability
Windows LSA Security Feature Bypass Vulnerability
Microsoft
Windows LSA Security Feature Bypass Vulnerability
vendor_msrc·2021-07-13·CVSS 8.1
CVE-2021-33786 [HIGH] Windows LSA Security Feature Bypass Vulnerability
Windows LSA Security Feature Bypass Vulnerability
FAQ: What kind of security feature could be bypassed by successfully exploiting this vulnerability?
A read only domain controller (RODC) is able to delegate rights by granting itself a ticket. A full DC does not validate the ticket thus granting R/W privileges to a DC that should only have read privileges.
Windows Local Security Authority Subsystem Service (LSASS): Windows Local Security Authority Subsystem Service (LSASS)
Microsoft: Microsoft
Impact: Security Feature Bypass
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=KB5004244
Reference: https://support.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-07-14
Published