CVE-2021-33746
published 2021-07-14CVE-2021-33746: Windows DNS Server Remote Code Execution Vulnerability
PriorityP356high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
1.85%
76.6th percentile
Windows DNS Server Remote Code Execution Vulnerability
Affected
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_server_2008 | — | — |
| 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 | — | — |
| 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 | — | — |
| microsoft | windows_server_2016 | — | — |
| 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 | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Vulnerability affects Windows DNS Server and may be detected by monitoring for anomalous or malformed DNS requests targeting the server component ↗
- →Exploitation has been assessed as 'Less Likely' for both latest and older software releases, and has not been publicly disclosed or observed in the wild as of advisory publication ↗
- ·Affected component is Microsoft Windows DNS Server; patches are available via multiple KB articles covering various Windows Server versions ↗
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
vendor_msrc8.0HIGH
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GHSA
GHSA-c54c-p933-mmrc: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-33780, CVE-2021-34525
ghsa_unreviewed·2022-05-24·CVSS 8.0
CVE-2021-34494 [HIGH] GHSA-c54c-p933-mmrc: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-33780, CVE-2021-34525
Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-33780, CVE-2021-34525.
GHSA
GHSA-3m64-v24q-w9wr: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33754, CVE-2021-33780, CVE-2021-34494, CVE-2021-34525
ghsa_unreviewed·2022-05-24·CVSS 8.0
CVE-2021-33746 [HIGH] GHSA-3m64-v24q-w9wr: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33754, CVE-2021-33780, CVE-2021-34494, CVE-2021-34525
Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33754, CVE-2021-33780, CVE-2021-34494, CVE-2021-34525.
GHSA
GHSA-86w3-hm4v-hj7x: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33780, CVE-2021-34494, CVE-2021-34525
ghsa_unreviewed·2022-05-24·CVSS 8.0
CVE-2021-33754 [HIGH] GHSA-86w3-hm4v-hj7x: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33780, CVE-2021-34494, CVE-2021-34525
Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33780, CVE-2021-34494, CVE-2021-34525.
GHSA
GHSA-5jx6-vwcr-r4rq: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-33780, CVE-2021-34494
ghsa_unreviewed·2022-05-24·CVSS 8.0
CVE-2021-34525 [HIGH] GHSA-5jx6-vwcr-r4rq: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-33780, CVE-2021-34494
Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-33780, CVE-2021-34494.
GHSA
GHSA-x7wh-c3qc-hfx3: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-34494, CVE-2021-34525
ghsa_unreviewed·2022-05-24·CVSS 8.0
CVE-2021-33780 [HIGH] GHSA-x7wh-c3qc-hfx3: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-34494, CVE-2021-34525
Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33746, CVE-2021-33754, CVE-2021-34494, CVE-2021-34525.
Microsoft
Windows DNS Server Remote Code Execution Vulnerability
vendor_msrc·2021-07-13·CVSS 8.0
CVE-2021-33746 [HIGH] Windows DNS Server Remote Code Execution Vulnerability
Windows DNS Server Remote Code Execution Vulnerability
Microsoft Windows DNS: Microsoft Windows DNS
Microsoft: Microsoft
Impact: Remote Code Execution
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.microsoft.com/help/5004244
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5004237
Reference: https://support.microsoft.com/help/5004237
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5004238
Reference: https://support.microsoft.com/help/5004238
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5004305
No detection rules found.
No public exploits indexed.
Tenable
Microsoft’s July 2021 Patch Tuesday Includes 116 CVEs (CVE-2021-31979, CVE-2021-33771)
blogs_tenable·2021-07-13·CVSS 7.8
[HIGH] Microsoft’s July 2021 Patch Tuesday Includes 116 CVEs (CVE-2021-31979, CVE-2021-33771)
## Cloud Exposure
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## AI Exposure
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## OT/IoT Exposure
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## Identity Exposure
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## Business needs
Active Directory
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2021-07-14
Published