CVE-2021-1699: Windows (modem.sys) Information Disclosure Vulnerability
Published Jan 12, 2021
·Updated
Windows (modem.sys) Information Disclosure Vulnerability
Affected Software
59 affected componentsFixes available
Microsoft Windows Server=1909
Microsoft Windows Server=2004
Microsoft Windows 7
Microsoft Windows 7
Microsoft Windows Server=20H2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2
Microsoft Windows RT 8.1
Microsoft Windows Server 2012
Microsoft Windows Server 2012
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows 8.1 for x64-based systems
Microsoft Windows 8.1 for 32-bit systems
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows 10=20H2
Microsoft Windows 10=20H2
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10
Microsoft Windows 10=1803
Microsoft Windows 10=1803
Microsoft Windows 10
Microsoft Windows 10=2004
Microsoft Windows 10=2004
Microsoft Windows 10=2004
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=1607
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2
Remediation
Event History
Jan 12, 2021
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
CVE Published
via MITRE·07:42 PM
Data Sourced
via MITRE·07:42 PM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2021-1699?
CVE-2021-1699 has a severity rating of 'Important' due to its potential for information disclosure.
2
How do I fix CVE-2021-1699?
To mitigate CVE-2021-1699, install the latest patches provided by Microsoft for the affected Windows versions.
3
Which Windows versions are affected by CVE-2021-1699?
CVE-2021-1699 affects multiple Windows versions, including Windows 10, Windows 7, and various Windows Server editions.
4
What type of vulnerability is CVE-2021-1699?
CVE-2021-1699 is classified as an information disclosure vulnerability in the modem.sys component of Windows.
5
Are there any known exploits for CVE-2021-1699?
As of now, there are no known active exploits specifically targeting CVE-2021-1699.