CVE-2021-33754: Windows DNS Server Remote Code Execution Vulnerability
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.1.7601.25661Patch KB5004307 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.23409Patch KB5004302 - Upgrade
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Fixed in 6.0.6003.21167Patch KB5004299 - Upgrade
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Fixed in 6.3.9600.20069Patch KB5004285 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.4530Patch KB5004238 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19042.1110Patch KB5004237 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19041.1110Patch KB5004237 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.2061Patch KB5004244
Event History
Frequently Asked Questions
What is the severity of CVE-2021-33754?
CVE-2021-33754 has a high severity rating due to its potential for remote code execution.
How can I fix CVE-2021-33754?
To mitigate CVE-2021-33754, apply the security updates provided by Microsoft for the affected Windows Server versions.
Which systems are affected by CVE-2021-33754?
CVE-2021-33754 affects various versions of Windows Server, including 2008, 2012, 2016, and 2019.
What is the impact of CVE-2021-33754?
The impact of CVE-2021-33754 allows an attacker to execute arbitrary code on a vulnerable Windows DNS Server.
Is CVE-2021-33754 being actively exploited?
As of now, there have been reports of active exploitation attempts for CVE-2021-33754 in the wild.