CISA Known Exploited Vulnerabilities (KEV)

CVE-2021-43226 - Microsoft Windows Privilege Escalation Vulnerability -

Action Due Oct 27, 2025 Target Vendor : Microsoft

Description : Microsoft Windows Common Log File System Driver contains a privilege escalation vulnerability that could allow a local, privileged attacker to bypass certain security mechanisms.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, 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-2021-43226 ; https://nvd.nist.gov/vuln/detail/CVE-2021-43226

CVE-2013-3918 - Microsoft Windows Out-of-Bounds Write Vulnerability -

Action Due Oct 27, 2025 Target Vendor : Microsoft

Description : Microsoft Windows contains a n out-of-bounds write vulnerability in the InformationCardSigninHelper Class ActiveX control, icardie.dll. An attacker could exploit the vulnerability by constructing a specially crafted webpage. When a user views the webpage, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090 ; https://nvd.nist.gov/vuln/detail/CVE-2013-3918

CVE-2011-3402 - Microsoft Windows Remote Code Execution Vulnerability -

Action Due Oct 27, 2025 Target Vendor : Microsoft

Description : Microsoft Windows Kernel contains an unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers that allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087 ; https://nvd.nist.gov/vuln/detail/CVE-2011-3402

CVE-2010-3765 - Mozilla Multiple Products Remote Code Execution Vulnerability -

Action Due Oct 27, 2025 Target Vendor : Mozilla

Description : Mozilla Firefox, SeaMonkey, and Thunderbird contain an unspecified vulnerability when JavaScript is enabled. This allows remote attackers to execute arbitrary code via vectors related to nsCSSFrameConstructor::ContentAppended, the appendChild method, incorrect index tracking, and the creation of multiple frames, which triggers memory corruption.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://www.mozilla.org/en-US/security/advisories/mfsa2010-73 ; https://nvd.nist.gov/vuln/detail/CVE-2010-3765

CVE-2025-61882 - Oracle E-Business Suite Unspecified Vulnerability -

Action Due Oct 27, 2025 Target Vendor : Oracle

Description : Oracle E-Business Suite contains an unspecified vulnerability in the BI Publisher Integration component. The vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Concurrent Processing. Successful attacks can result in takeover of Oracle Concurrent Processing.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Known

Notes : https://www.oracle.com/security-alerts/alert-cve-2025-61882.html ; https://nvd.nist.gov/vuln/detail/CVE-2025-61882

CVE-2014-6278 - GNU Bash OS Command Injection Vulnerability -

Action Due Oct 23, 2025 Target Vendor : GNU

Description : GNU Bash contains an OS command injection vulnerability which allows remote attackers to execute arbitrary commands via a crafted environment.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-027 ; https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/23467 ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140926-bash ; https://www.ibm.com/support/pages/security-bulletin-update-vulnerabilities-bash-affect-aix-toolbox-linux-applications-cve-2014-6271-cve-2014-6277-cve-2014-6278-cve-2014-7169-cve-2014-7186-and-cve-2014-7187 ; https://nvd.nist.gov/vuln/detail/CVE-2014-6278

CVE-2017-1000353 - Jenkins Remote Code Execution Vulnerability -

Action Due Oct 23, 2025 Target Vendor : Jenkins

Description : Jenkins contains a remote code execution vulnerability. This vulnerability that could allowed attackers to transfer a serialized Java SignedObject object to the remoting-based Jenkins CLI, that would be deserialized using a new ObjectInputStream, bypassing the existing blocklist-based protection mechanism.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://www.jenkins.io/security/advisory/2017-04-26/ ; https://nvd.nist.gov/vuln/detail/CVE-2017-1000353

CVE-2015-7755 - Juniper ScreenOS Improper Authentication Vulnerability -

Action Due Oct 23, 2025 Target Vendor : Juniper

Description : Juniper ScreenOS contains an improper authentication vulnerability that could allow unauthorized remote administrative access to the device.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://supportportal.juniper.net/s/article/2015-12-Out-of-Cycle-Security-Bulletin-ScreenOS-Multiple-Security-issues-with-ScreenOS-CVE-2015-7755-CVE-2015-7756 ; https://nvd.nist.gov/vuln/detail/CVE-2015-7755

CVE-2025-21043 - Samsung Mobile Devices Out-of-Bounds Write Vulnerability -

Action Due Oct 23, 2025 Target Vendor : Samsung

Description : Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21043

CVE-2025-4008 - Smartbedded Meteobridge Command Injection Vulnerability -

Action Due Oct 23, 2025 Target Vendor : Smartbedded

Description : Smartbedded Meteobridge contains a command injection vulnerability that could allow remote unauthenticated attackers to gain arbitrary command execution with elevated privileges (root) on affected devices.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://forum.meteohub.de/viewtopic.php?t=18687 ; https://nvd.nist.gov/vuln/detail/CVE-2025-4008

CVE-2025-32463 - Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability -

Action Due Oct 20, 2025 Target Vendor : Sudo

Description : Sudo contains an inclusion of functionality from untrusted control sphere vulnerability. This vulnerability could allow local attacker to leverage sudo’s -R (--chroot) option to run arbitrary commands as root, even if they are not listed in the sudoers file.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://www.sudo.ws/security/advisories/chroot_bug/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-32463

CVE-2025-59689 - Libraesva Email Security Gateway Command Injection Vulnerability -

Action Due Oct 20, 2025 Target Vendor : Libraesva

Description : Libraesva Email Security Gateway (ESG) contains a command injection vulnerability which allows command injection via a compressed e-mail attachment.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://docs.libraesva.com/knowledgebase/security-advisory-command-injection-vulnerability-cve-2025-59689/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-59689

CVE-2025-10035 - Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability -

Action Due Oct 20, 2025 Target Vendor : Fortra

Description : Fortra GoAnywhere MFT contains a deserialization of untrusted data vulnerability allows an actor with a validly forged license response signature to deserialize an arbitrary actor-controlled object, possibly leading to command injection.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://www.fortra.com/security/advisories/product-security/fi-2025-012 ; https://nvd.nist.gov/vuln/detail/CVE-2025-10035

CVE-2025-20352 - Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability -

Action Due Oct 20, 2025 Target Vendor : Cisco

Description : Cisco IOS and IOS XE contains a stack-based buffer overflow vulnerability in the Simple Network Management Protocol (SNMP) subsystem that could allow for denial of service or remote code execution. A successful exploit could allow a low-privileged attacker to cause the affected system to reload, resulting in a DoS condition, or allow a high-privileged attacker to execute arbitrary code as the root user and obtain full control of the affected system.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-x4LPhte ; https://nvd.nist.gov/vuln/detail/CVE-2025-20352

CVE-2021-21311 - Adminer Server-Side Request Forgery Vulnerability -

Action Due Oct 20, 2025 Target Vendor : Adminer

Description : Adminer contains a server-side request forgery vulnerability that, when exploited, allows a remote attacker to obtain potentially sensitive information.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6 ; https://nvd.nist.gov/vuln/detail/CVE-2021-21311

CVE-2025-20362 - Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization Vulnerability -

Action Due Sep 26, 2025 Target Vendor : Cisco

Description : Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a missing authorization vulnerability. This vulnerability could be chained with CVE-2025-20333.

Action : The KEV due date refers to the deadline by which FCEB agencies are expected to review and begin implementing the guidance outlined in Emergency Directive (ED) 25-03 (URL listed below in Notes). Agencies must follow the mitigation steps provided by CISA (URL listed below in Notes) and vendor’s instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-25-03-identify-and-mitigate-potential-compromise-cisco-devices ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-25-03-core-dump-and-hunt-instructions ; https://www.cisa.gov/eviction-strategies-tool/create-from-template ; https://sec.cloudapps.cisco.com/security/center/resources/asa_ftd_continued_attacks ; https://sec.cloudapps.cisco.com/security/center/private/resources/asa_ftd_continued_attacks#Details ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-YROOTUW ; https://nvd.nist.gov/vuln/detail/CVE-2025-20362

CVE-2025-20333 - Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability -

Action Due Sep 26, 2025 Target Vendor : Cisco

Description : Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a buffer overflow vulnerability that allows for remote code execution. This vulnerability could be chained with CVE-2025-20362.

Action : The KEV due date refers to the deadline by which FCEB agencies are expected to review and begin implementing the guidance outlined in Emergency Directive (ED) 25-03 (URL listed below in Notes). Agencies must follow the mitigation steps provided by CISA (URL listed below in Notes) and vendor’s instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-25-03-identify-and-mitigate-potential-compromise-cisco-devices ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-25-03-core-dump-and-hunt-instructions ; https://www.cisa.gov/eviction-strategies-tool/create-from-template ; https://sec.cloudapps.cisco.com/security/center/resources/asa_ftd_continued_attacks ; https://sec.cloudapps.cisco.com/security/center/private/resources/asa_ftd_continued_attacks#Details ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-z5xP8EUB ; https://nvd.nist.gov/vuln/detail/CVE-2025-20333

CVE-2025-10585 - Google Chromium V8 Type Confusion Vulnerability -

Action Due Oct 14, 2025 Target Vendor : Google

Description : Google Chromium contains a type confusion vulnerability in the V8 JavaScript and WebAssembly engine.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.html ; https://nvd.nist.gov/vuln/detail/CVE-2025-10585

CVE-2025-5086 - Dassault Systèmes DELMIA Apriso Deserialization of Untrusted Data Vulnerability -

Action Due Oct 02, 2025 Target Vendor : Dassault Systèmes

Description : Dassault Systèmes DELMIA Apriso contains a deserialization of untrusted data vulnerability that could lead to a remote code execution.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://www.3ds.com/trust-center/security/security-advisories/cve-2025-5086 ; https://nvd.nist.gov/vuln/detail/CVE-2025-5086

CVE-2025-38352 - Linux Kernel Time-of-Check Time-of-Use (TOCTOU) Race Condition Vulnerability -

Action Due Sep 25, 2025 Target Vendor : Linux

Description : Linux kernel contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that has a high impact on confidentiality, integrity, and availability.

Action : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff ; https://source.android.com/docs/security/bulletin/2025-09-01 ; https://nvd.nist.gov/vuln/detail/CVE-2025-38352