CISA Known Exploited Vulnerabilities (KEV)
CISA's Known Exploited Vulnerabilities (KEV) catalog lists vulnerabilities actively used in real-world attacks. CVEFeed.io tracks the latest additions so you can prioritize remediation as new entries are published.
7.8
CVE-2021-27065 - Microsoft Exchange Server Remote Code Execution Vulnerability -
Action Due May 03, 2022 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 Detected Nov 03, 2021
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-2020-1054 - Microsoft Win32k Privilege Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description :Microsoft Win32k contains a privilege escalation vulnerability when the Windows kernel-mode driver fails to properly handle objects in memory. Successful exploitation allows an attacker to execute 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-2020-1054
9.3
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 Detected Nov 03, 2021
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-1675
9.3
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
10.0
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
9.3
CVE-2016-3235 - Microsoft Office OLE DLL Side Loading Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description :Microsoft Office Object Linking & Embedding (OLE) dynamic link library (DLL) contains a side loading vulnerability due to it improperly validating input before loading libraries. Successful exploitation 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-2016-3235
7.8
CVE-2019-0863 - Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description :Microsoft Windows Error Reporting (WER) contains a privilege escalation vulnerability due to the way it handles files, allowing for code execution 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-2019-0863
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 Detected Nov 03, 2021
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-36955
7.8
CVE-2021-38648 - Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description :Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains an unspecified vulnerability allowing privilege escalation.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-38648
8.1
CVE-2020-6819 - Mozilla Firefox And Thunderbird Use-After-Free Vulnerability -
Action Due May 03, 2022 Target Vendor : Mozilla
Description :Mozilla Firefox and Thunderbird contain a race condition vulnerability when running the nsDocShell destructor under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2020-6819
7.8
CVE-2019-0211 - Apache HTTP Server Privilege Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Apache
Description :Apache HTTP Server, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute code with the privileges of the parent process (usually root) by manipulating the scoreboard.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2019-0211
9.8
CVE-2016-4437 - Apache Shiro Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Apache
Description :Apache Shiro contains a vulnerability which may allow remote attackers to execute code or bypass intended access restrictions via an unspecified request parameter when a cipher key has not been configured for the "remember me" feature.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2016-4437
7.5
CVE-2019-17558 - Apache Solr VelocityResponseWriter Plug-In Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Apache
Description :The Apache Solr VelocityResponseWriter plug-in contains an unspecified vulnerability which can allow 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-2019-17558
10.0
CVE-2021-27104 - Accellion FTA OS Command Injection Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Accellion
Description :Accellion FTA contains an OS command injection vulnerability exploited via a crafted POST request to various admin endpoints.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known Detected Nov 03, 2021
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-27104
7.8
CVE-2021-27102 - Accellion FTA OS Command Injection Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Accellion
Description :Accellion FTA contains an OS command injection vulnerability exploited via a local web service call.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known Detected Nov 03, 2021
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-27102
9.8
CVE-2021-27103 - Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Accellion
Description :Accellion FTA contains a server-side request forgery (SSRF) vulnerability exploited via a crafted POST request to wmProgressstat.html.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known Detected Nov 03, 2021
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-27103
8.8
CVE-2021-21017 - Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Adobe
Description :Acrobat Acrobat and Reader contain a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-21017