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.
6.2
CVE-2023-21237 - Android Pixel Information Disclosure Vulnerability -
Action Due Mar 26, 2024 Target Vendor : Android
Description :Android Pixel contains a vulnerability in the Framework component, where the UI may be misleading or insufficient, providing a means to hide a foreground service notification. This could enable a local attacker to disclose sensitive information.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://source.android.com/docs/security/bulletin/pixel/2023-06-01; https://nvd.nist.gov/vuln/detail/CVE-2023-21237
10.0
CVE-2021-36380 - Sunhillo SureLine OS Command Injection Vulnerablity -
Action Due Mar 26, 2024 Target Vendor : Sunhillo
Description :Sunhillo SureLine contains an OS command injection vulnerability that allows an attacker to cause a denial-of-service or utilize the device for persistence on the network via shell metacharacters in ipAddr or dnsAddr in /cgi/networkDiag.cgi.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://www.sunhillo.com/fb011/; https://nvd.nist.gov/vuln/detail/CVE-2021-36380
7.8
CVE-2024-21338 - Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability -
Action Due Mar 25, 2024 Target Vendor : Microsoft
Description :Microsoft Windows Kernel contains an exposed IOCTL with insufficient access control vulnerability within the IOCTL (input and output control) dispatcher in appid.sys that allows a local attacker to achieve privilege escalation.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Mar 04, 2024
Notes :https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338; https://nvd.nist.gov/vuln/detail/CVE-2024-21338
8.4
CVE-2023-29360 - Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability -
Action Due Mar 21, 2024 Target Vendor : Microsoft
Description :Microsoft Streaming Service contains an untrusted pointer dereference vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29360 ;https://nvd.nist.gov/vuln/detail/CVE-2023-29360
10.0
CVE-2024-1709 - ConnectWise ScreenConnect Authentication Bypass Vulnerability -
Action Due Feb 29, 2024 Target Vendor : ConnectWise
Description :ConnectWise ScreenConnect contains an authentication bypass vulnerability that allows an attacker with network access to the management interface to create a new, administrator-level account on affected devices.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Feb 22, 2024
Notes :https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8; https://nvd.nist.gov/vuln/detail/CVE-2024-1709
9.8
CVE-2024-21410 - Microsoft Exchange Server Privilege Escalation Vulnerability -
Action Due Mar 07, 2024 Target Vendor : Microsoft
Description :Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410; https://nvd.nist.gov/vuln/detail/CVE-2024-21410
7.5
CVE-2020-3259 - Cisco ASA and FTD Information Disclosure Vulnerability -
Action Due Mar 07, 2024 Target Vendor : Cisco
Description :Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an information disclosure vulnerability. An attacker could retrieve memory contents on an affected device, which could lead to the disclosure of confidential information due to a buffer tracking issue when the software parses invalid URLs that are requested from the web services interface. This vulnerability affects only specific AnyConnect and WebVPN configurations.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Feb 15, 2024
Notes :https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-info-disclose-9eJtycMB; https://nvd.nist.gov/vuln/detail/CVE-2020-3259
8.1
CVE-2024-21412 - Microsoft Windows Internet Shortcut Files Security Feature Bypass Vulnerability -
Action Due Mar 05, 2024 Target Vendor : Microsoft
Description :Microsoft Windows Internet Shortcut Files contains an unspecified vulnerability that allows for a security feature bypass.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Feb 26, 2026
Notes :https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-21412; https://nvd.nist.gov/vuln/detail/CVE-2024-21412
7.6
CVE-2024-21351 - Microsoft Windows SmartScreen Security Feature Bypass Vulnerability -
Action Due Mar 05, 2024 Target Vendor : Microsoft
Description :Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience and inject code to potentially gain code execution, which could lead to some data exposure, lack of system availability, or both.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-21351; https://nvd.nist.gov/vuln/detail/CVE-2024-21351
6.1
CVE-2023-43770 - Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability -
Action Due Mar 04, 2024 Target Vendor : Roundcube
Description :Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that can lead to information disclosure via malicious link references in plain/text messages.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://roundcube.net/news/2023/09/15/security-update-1.6.3-released ; https://nvd.nist.gov/vuln/detail/CVE-2023-43770
9.8
CVE-2024-21762 - Fortinet FortiOS Out-of-Bound Write Vulnerability -
Action Due Feb 16, 2024 Target Vendor : Fortinet
Description :Fortinet FortiOS contains an out-of-bound write vulnerability that allows a remote unauthenticated attacker to execute code or commands via specially crafted HTTP requests.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Feb 26, 2026
Notes :https://fortiguard.fortinet.com/psirt/FG-IR-24-015 ; https://nvd.nist.gov/vuln/detail/CVE-2024-21762
8.8
CVE-2023-4762 - Google Chromium V8 Type Confusion Vulnerability -
Action Due Feb 27, 2024 Target Vendor : Google
Description :Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to execute code 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 mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop.html; https://nvd.nist.gov/vuln/detail/CVE-2023-4762
7.0
CVE-2022-48618 - Apple Multiple Products Memory Corruption Vulnerability -
Action Due Feb 21, 2024 Target Vendor : Apple
Description :Apple iOS, iPadOS, macOS, tvOS, and watchOS contain a time-of-check/time-of-use (TOCTOU) memory corruption vulnerability that allows an attacker with read and write capabilities to bypass Pointer Authentication.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://support.apple.com/en-us/HT213530, https://support.apple.com/en-us/HT213532, https://support.apple.com/en-us/HT213535, https://support.apple.com/en-us/HT213536; https://nvd.nist.gov/vuln/detail/CVE-2022-48618
8.2
CVE-2024-21893 - Ivanti Connect Secure, Policy Secure, and Neurons Server-Side Request Forgery (SSRF) Vulnerability -
Action Due Feb 02, 2024 Target Vendor : Ivanti
Description :Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure), Ivanti Policy Secure, and Ivanti Neurons contain a server-side request forgery (SSRF) vulnerability in the SAML component that allows an attacker to access certain restricted resources without authentication.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Feb 26, 2026
Notes :https://forums.ivanti.com/s/article/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2024-21893
10.0
CVE-2023-22527 - Atlassian Confluence Data Center and Server Template Injection Vulnerability -
Action Due Feb 14, 2024 Target Vendor : Atlassian
Description :Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Jan 24, 2024
Notes :https://confluence.atlassian.com/security/cve-2023-22527-rce-remote-code-execution-vulnerability-in-confluence-data-center-and-confluence-server-1333990257.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22527
8.8
CVE-2024-23222 - Apple Multiple Products WebKit Type Confusion Vulnerability -
Action Due Feb 13, 2024 Target Vendor : Apple
Description :Apple iOS, iPadOS, macOS, tvOS, and Safari WebKit contain a type confusion vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://support.apple.com/en-us/HT214055, https://support.apple.com/en-us/HT214056, https://support.apple.com/en-us/HT214057, https://support.apple.com/en-us/HT214058, https://support.apple.com/en-us/HT214059, https://support.apple.com/en-us/HT214061, https://support.apple.com/en-us/HT214063 ; https://nvd.nist.gov/vuln/detail/CVE-2024-23222
9.8
CVE-2023-34048 - VMware vCenter Server Out-of-Bounds Write Vulnerability -
Action Due Feb 12, 2024 Target Vendor : VMware
Description :VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol that allows an attacker to conduct remote code execution.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://www.vmware.com/security/advisories/VMSA-2023-0023.html; https://nvd.nist.gov/vuln/detail/CVE-2023-34048
10.0
CVE-2023-35082 - Ivanti Endpoint Manager Mobile (EPMM) and MobileIron Core Authentication Bypass Vulnerability -
Action Due Feb 08, 2024 Target Vendor : Ivanti
Description :Ivanti Endpoint Manager Mobile (EPMM) and MobileIron Core contain an authentication bypass vulnerability that allows unauthorized users to access restricted functionality or resources of the application.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known Detected Jan 18, 2024
Notes :https://forums.ivanti.com/s/article/CVE-2023-35082-Remote-Unauthenticated-API-Access-Vulnerability-in-MobileIron-Core-11-2-and-older; https://nvd.nist.gov/vuln/detail/CVE-2023-35082
8.8
CVE-2024-0519 - Google Chromium V8 Out-of-Bounds Memory Access Vulnerability -
Action Due Feb 07, 2024 Target Vendor : Google
Description :Google Chromium V8 Engine contains an out-of-bounds memory access 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 mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://chromereleases.googleblog.com/2024/01/stable-channel-update-for-desktop_16.html; https://nvd.nist.gov/vuln/detail/CVE-2024-0519
8.2
CVE-2023-6549 - Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability -
Action Due Feb 07, 2024 Target Vendor : Citrix
Description :Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for a denial-of-service when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
Action :Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes :https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549; https://nvd.nist.gov/vuln/detail/CVE-2023-6549