CISA Known Exploited Vulnerabilities Catalog
7.8
CVE-2020-0938 - Microsoft Windows Adobe Font Manager Library Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Windows Adobe Font Manager Library contains an unspecified vulnerability when handling specially crafted multi-master fonts (Adobe Type 1 PostScript format) that allows for remote code execution for all systems except Windows 10. For systems running Windows 10, an attacker who successfully exploited the vulnerability could execute code in an AppContainer sandbox context with limited privileges and capabilities.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-0938
9.8
CVE-2019-0708 - Microsoft Remote Desktop Services Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Remote Desktop Services, formerly known as Terminal Service, contains an unspecified vulnerability that allows an unauthenticated attacker to connect to the target system using RDP and send specially crafted requests. Successful exploitation allows for remote code execution. The vulnerability is also known under the moniker of BlueKeep.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-0708
8.8
CVE-2021-34527 - Microsoft Windows Print Spooler Remote Code Execution Vulnerability -
Action Due Jul 20, 2021 Target Vendor : Microsoft
Description : Microsoft Windows Print Spooler contains an unspecified vulnerability due to the Windows Print Spooler service improperly performing privileged file operations. Successful exploitation allows an attacker to perform remote code execution with SYSTEM privileges. The vulnerability is also known under the moniker of PrintNightmare.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : Reference CISA's ED 21-04 (https://www.cisa.gov/news-events/directives/ed-21-04-mitigate-windows-print-spooler-service-vulnerability) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-04. https://nvd.nist.gov/vuln/detail/CVE-2021-34527
10.0
CVE-2020-1350 - Microsoft Windows DNS Server Remote Code Execution Vulnerability -
Action Due Jul 24, 2020 Target Vendor : Microsoft
Description : Microsoft Windows DNS Servers fail to properly handle requests, allowing an attacker to perform remote code execution in the context of the Local System Account. The vulnerability is also known under the moniker of SIGRed.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : Reference CISA's ED 20-03 (https://www.cisa.gov/news-events/directives/ed-20-03-mitigate-windows-dns-server-remote-code-execution-vulnerability-july-2020-patch-tuesday) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 20-03. https://nvd.nist.gov/vuln/detail/CVE-2020-1350
7.8
CVE-2017-11882 - Microsoft Office Memory Corruption Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Office contains a memory corruption vulnerability that allows remote code execution in the context of the current user.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2017-11882
7.5
CVE-2019-1367 - Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Internet Explorer contains a memory corruption vulnerability in how the scripting engine handles objects in memory. Successful exploitation allows for remote code execution in the context of the current user.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-1367
10.0
CVE-2020-1472 - Microsoft Netlogon Privilege Escalation Vulnerability -
Action Due Sep 21, 2020 Target Vendor : Microsoft
Description : Microsoft's Netlogon Remote Protocol (MS-NRPC) contains a privilege escalation vulnerability when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller. An attacker who successfully exploits the vulnerability could run a specially crafted application on a device on the network. The vulnerability is also known under the moniker of Zerologon.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : Reference CISA's ED 20-04 (https://www.cisa.gov/news-events/directives/ed-20-04-mitigate-netlogon-elevation-privilege-vulnerability-august-2020-patch-tuesday) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 20-04. https://nvd.nist.gov/vuln/detail/CVE-2020-1472
9.8
CVE-2021-26855 - Microsoft Exchange Server Remote Code Execution Vulnerability -
Action Due Apr 16, 2021 Target Vendor : Microsoft
Description : Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : Reference CISA's ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-26855
7.8
CVE-2021-26858 - Microsoft Exchange Server Remote Code Execution Vulnerability -
Action Due Apr 16, 2021 Target Vendor : Microsoft
Description : Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : Reference CISA's ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-26858
7.5
CVE-2016-3976 - SAP NetWeaver Directory Traversal Vulnerability -
Action Due May 03, 2022 Target Vendor : SAP
Description : SAP NetWeaver Application Server Java Platforms contains a directory traversal vulnerability via a ..\ (dot dot backslash) in the fileName parameter to CrashFileDownloadServlet. This allows remote attackers to read files.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2016-3976
7.8
CVE-2021-27065 - Microsoft Exchange Server Remote Code Execution Vulnerability -
Action Due Apr 16, 2021 Target Vendor : Microsoft
Description : Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : Reference CISA's ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-27065
7.8
CVE-2021-1675 - Microsoft Windows Print Spooler Remote Code Execution Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft Windows Print Spooler contains an unspecified vulnerability that allows for remote code execution.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-1675
8.8
CVE-2021-34448 - Microsoft Windows Scripting Engine Memory Corruption Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft Windows Scripting Engine contains an unspecified vulnerability that allows for memory corruption.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-34448
8.1
CVE-2020-0601 - Microsoft Windows CryptoAPI Spoofing Vulnerability -
Action Due Jan 29, 2020 Target Vendor : Microsoft
Description : Microsoft Windows CryptoAPI (Crypt32.dll) contains a spoofing vulnerability in the way it validates Elliptic Curve Cryptography (ECC) certificates. An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source. A successful exploit could also allow the attacker to conduct man-in-the-middle attacks and decrypt confidential information on user connections to the affected software. The vulnerability is also known under the moniker of CurveBall.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : Reference CISA's ED 20-02 (https://www.cisa.gov/news-events/directives/ed-20-02-mitigate-windows-vulnerabilities-january-2020-patch-tuesday) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 20-02. https://nvd.nist.gov/vuln/detail/CVE-2020-0601
9.8
CVE-2020-0646 - Microsoft .NET Framework Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft .NET Framework contains an improper input validation vulnerability that allows for remote code execution.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-0646
7.8
CVE-2019-0808 - Microsoft Win32k Privilege Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Win32k contains a privilege escalation vulnerability due to the component failing to properly handle objects in memory. Successful exploitation allows an attacker to run code in kernel mode.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-0808
7.8
CVE-2020-1147 - Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft .NET Framework, Microsoft SharePoint, and Visual Studio contain a remote code execution vulnerability when the software fails to check the source markup of XML file input. Successful exploitation allows an attacker to execute code in the context of the process responsible for deserialization of the XML content.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-1147
7.8
CVE-2019-1214 - Microsoft Windows Privilege Common Log File System (CLFS) Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Windows Common Log File System (CLFS) driver improperly handles objects in memory which can allow for privilege escalation.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-1214
7.8
CVE-2021-36955 - Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-36955
10.0
CVE-2021-22893 - Ivanti Pulse Connect Secure Use-After-Free Vulnerability -
Action Due Apr 23, 2021 Target Vendor : Ivanti
Description : Ivanti Pulse Connect Secure contains a use-after-free vulnerability that allow a remote, unauthenticated attacker to execute code via license services.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2021-22893