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.
8.8
CVE-2020-9818 - Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability -
Action Due May 03, 2022 Target Vendor : Apple
Description :Apple iOS, iPadOS, and watchOS Mail contains an out-of-bounds write vulnerability which may allow memory modification or application termination when processing a maliciously crafted mail message.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2020-9818
5.5
CVE-2021-30657 - Apple macOS Unspecified Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Apple
Description :Apple macOS contains an unspecified logic issue in System Preferences that may allow a malicious application to bypass Gatekeeper checks.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-30657
7.8
CVE-2021-26857 - 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-2021-26857
9.0
CVE-2021-28664 - Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Arm
Description :Arm Mali Graphics Processing Unit (GPU) kernel driver contains an unspecified vulnerability that may allow a non-privileged user to gain write access to read-only memory, gain root privilege, corrupt memory, and modify the memory of other processes.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-28664
9.0
CVE-2021-28663 - Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Arm
Description :Arm Mali Graphics Processing Unit (GPU) kernel driver contains a use-after-free vulnerability that may allow a non-privileged user to make improper operations on GPU memory to gain root privilege, and/or disclose information.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-28663
9.0
CVE-2019-3398 - Atlassian Confluence Server and Data Center Path Traversal Vulnerability -
Action Due May 03, 2022 Target Vendor : Atlassian
Description :Atlassian Confluence Server and Data Center contain a path traversal vulnerability in the downloadallattachments resource that may allow a privileged, remote attacker to write files. Exploitation can lead to 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-2019-3398
7.5
CVE-2020-3452 - Cisco ASA and FTD Read-Only Path Traversal Vulnerability -
Action Due May 03, 2022 Target Vendor : Cisco
Description :Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an improper input validation vulnerability when HTTP requests process URLs. An attacker could exploit this vulnerability by sending a crafted HTTP request containing directory traversal character sequences to an affected device. A successful exploit could allow the attacker to view arbitrary files within the web services file system on the targeted device.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2020-3452
10.0
CVE-2018-0171 - Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Cisco
Description :Cisco IOS and IOS XE Software improperly validates packet data, allowing an unauthenticated, remote attacker to trigger a reload of an affected device, cause a denial-of-service (DoS) condition, or perform code execution on the affected device.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2018-0171
8.8
CVE-2021-30554 - Google Chromium WebGL Use-After-Free Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Google
Description :Google Chromium WebGL contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-30554
7.5
CVE-2019-1653 - Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability -
Action Due May 03, 2022 Target Vendor : Cisco
Description :Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers contain improper access controls for URLs. Exploitation could allow an attacker to download the router configuration or detailed diagnostic information.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2019-1653
10.0
CVE-2020-5902 - F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : F5
Description :F5 BIG-IP Traffic Management User Interface (TMUI) contains a remote code execution vulnerability in undisclosed pages.
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-2020-5902
10.0
CVE-2021-22205 - GitLab Community and Enterprise Editions Remote Code Execution Vulnerability -
Action Due Nov 17, 2021 Target Vendor : GitLab
Description :GitHub Community and Enterprise Editions that utilize the ability to upload images through GitLab Workhorse are vulnerable to remote code execution. Workhorse passes image file extensions through ExifTool, which improperly validates the image files.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known Detected Feb 26, 2026
Notes :https://nvd.nist.gov/vuln/detail/CVE-2021-22205
9.8
CVE-2018-6789 - Exim Buffer Overflow Vulnerability -
Action Due May 03, 2022 Target Vendor : Exim
Description :Exim contains a buffer overflow vulnerability in the base64d function part of the SMTP listener that may allow 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-2018-6789
9.8
CVE-2020-8657 - EyesOfNetwork Use of Hard-Coded Credentials Vulnerability -
Action Due May 03, 2022 Target Vendor : EyesOfNetwork
Description :EyesOfNetwork contains a use of hard-coded credentials vulnerability, as it uses the same API key by default. Exploitation allows an attacker to calculate or guess the admin access token.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2020-8657
9.3
CVE-2020-8655 - EyesOfNetwork Improper Privilege Management Vulnerability -
Action Due May 03, 2022 Target Vendor : EyesOfNetwork
Description :EyesOfNetwork contains an improper privilege management vulnerability that may allow a user to run commands as root via a crafted Nmap Scripting Engine (NSE) script to nmap7.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2020-8655
9.6
CVE-2020-15999 - Google Chrome FreeType Heap Buffer Overflow Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Google
Description :Google Chrome uses FreeType, an open-source software library to render fonts, which contains a heap buffer overflow vulnerability in the function Load_SBit_Png when processing PNG images embedded into fonts. This vulnerability is part of an exploit chain with CVE-2020-17087 on Windows and CVE-2020-16010 on Android.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2020-15999
6.5
CVE-2019-5591 - Fortinet FortiOS Default Configuration Vulnerability -
Action Due May 03, 2022 Target Vendor : Fortinet
Description :Fortinet FortiOS contains a default configuration vulnerability that may allow an unauthenticated attacker on the same subnet to intercept sensitive information by impersonating the Lightweight Directory Access Protocol (LDAP) server.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2019-5591
9.6
CVE-2020-16010 - Google Chrome for Android UI Heap Buffer Overflow Vulnerability -
Action Due May 03, 2022 Target Vendor : Google
Description :Google Chrome for Android UI contains a heap buffer overflow vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2020-16010
7.5
CVE-2018-15811 - DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability -
Action Due May 03, 2022 Target Vendor : DotNetNuke (DNN)
Description :DotNetNuke (DNN) contains an inadequate encryption strength vulnerability resulting from the use of a weak encryption algorithm to protect input parameters.
Action :Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://nvd.nist.gov/vuln/detail/CVE-2018-15811
10.0
CVE-2020-8515 - Multiple DrayTek Vigor Routers Web Management Page Vulnerability -
Action Due May 03, 2022 Target Vendor : DrayTek
Description :DrayTek Vigor3900, Vigor2960, and Vigor300B routers contain an unspecified 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-2020-8515