CISA Known Exploited Vulnerabilities (KEV)

CVE-2023-28204 - Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability -

Action Due Jun 12, 2023 Target Vendor : Apple

Description : Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain an out-of-bounds read vulnerability that may disclose sensitive information 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 updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://support.apple.com/HT213757, https://support.apple.com/HT213758, https://support.apple.com/HT213761, https://support.apple.com/HT213762, https://support.apple.com/HT213764, https://support.apple.com/HT213765; https://nvd.nist.gov/vuln/detail/CVE-2023-28204

CVE-2023-32373 - Apple Multiple Products WebKit Use-After-Free Vulnerability -

Action Due Jun 12, 2023 Target Vendor : Apple

Description : Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain a use-after-free 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 updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://support.apple.com/HT213757, https://support.apple.com/HT213758, https://support.apple.com/HT213761, https://support.apple.com/HT213762, https://support.apple.com/HT213764, https://support.apple.com/HT213765; https://nvd.nist.gov/vuln/detail/CVE-2023-32373

CVE-2004-1464 - Cisco IOS Denial-of-Service Vulnerability -

Action Due Jun 09, 2023 Target Vendor : Cisco

Description : Cisco IOS contains an unspecified vulnerability that may block further telnet, reverse telnet, Remote Shell (RSH), Secure Shell (SSH), and in some cases, Hypertext Transport Protocol (HTTP) access to the Cisco device.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20040827-telnet; https://nvd.nist.gov/vuln/detail/CVE-2004-1464

CVE-2023-21492 - Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerability -

Action Due Jun 09, 2023 Target Vendor : Samsung

Description : Samsung mobile devices running Android 11, 12, and 13 contain an insertion of sensitive information into log file vulnerability that allows a privileged, local attacker to conduct an address space layout randomization (ASLR) bypass.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://security.samsungmobile.com/securityUpdate.smsb; https://nvd.nist.gov/vuln/detail/CVE-2023-21492

CVE-2016-6415 - Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure Vulnerability -

Action Due Jun 09, 2023 Target Vendor : Cisco

Description : Cisco IOS, IOS XR, and IOS XE contain insufficient condition checks in the part of the code that handles Internet Key Exchange version 1 (IKEv1) security negotiation requests. contains an information disclosure vulnerability in the Internet Key Exchange version 1 (IKEv1) that could allow an attacker to retrieve memory contents. Successful exploitation could allow the attacker to retrieve memory contents, which can lead to information disclosure.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160916-ikev1; https://nvd.nist.gov/vuln/detail/CVE-2016-6415

CVE-2021-3560 - Red Hat Polkit Incorrect Authorization Vulnerability -

Action Due Jun 02, 2023 Target Vendor : Red Hat

Description : Red Hat Polkit contains an incorrect authorization vulnerability through the bypassing of credential checks for D-Bus requests, allowing for privilege escalation.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://bugzilla.redhat.com/show_bug.cgi?id=1961710; https://nvd.nist.gov/vuln/detail/CVE-2021-3560

CVE-2014-0196 - Linux Kernel Race Condition Vulnerability -

Action Due Jun 02, 2023 Target Vendor : Linux

Description : Linux Kernel contains a race condition vulnerability within the n_tty_write function that allows local users to cause a denial-of-service (DoS) or gain privileges via read and write operations with long strings.

Action : The impacted product is end-of-life and should be disconnected if still in use.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://lkml.iu.edu/hypermail/linux/kernel/1609.1/02103.html; https://nvd.nist.gov/vuln/detail/CVE-2014-0196

CVE-2010-3904 - Linux Kernel Improper Input Validation Vulnerability -

Action Due Jun 02, 2023 Target Vendor : Linux

Description : Linux Kernel contains an improper input validation vulnerability in the Reliable Datagram Sockets (RDS) protocol implementation that allows local users to gain privileges via crafted use of the sendmsg and recvmsg system calls.

Action : The impacted product is end-of-life and should be disconnected if still in use.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://lkml.iu.edu/hypermail/linux/kernel/1601.3/06474.html; https://nvd.nist.gov/vuln/detail/CVE-2010-3904

CVE-2016-3427 - Oracle Java SE and JRockit Unspecified Vulnerability -

Action Due Jun 02, 2023 Target Vendor : Oracle

Description : Oracle Java SE and JRockit contains an unspecified vulnerability that allows remote attackers to affect confidentiality, integrity, and availability via vectors related to Java Management Extensions (JMX). This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://www.oracle.com/security-alerts/cpuapr2016v3.html; https://nvd.nist.gov/vuln/detail/CVE-2016-3427

CVE-2023-25717 - Multiple Ruckus Wireless Products CSRF and RCE Vulnerability -

Action Due Jun 02, 2023 Target Vendor : Ruckus Wireless

Description : Ruckus Wireless Access Point (AP) software contains an unspecified vulnerability in the web services component. If the web services component is enabled on the AP, an attacker can perform cross-site request forgery (CSRF) or remote code execution (RCE). This vulnerability impacts Ruckus ZoneDirector, SmartZone, and Solo APs.

Action : Apply updates per vendor instructions or disconnect product if it is end-of-life.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://support.ruckuswireless.com/security_bulletins/315; https://nvd.nist.gov/vuln/detail/CVE-2023-25717

CVE-2015-5317 - Jenkins User Interface (UI) Information Disclosure Vulnerability -

Action Due Jun 02, 2023 Target Vendor : Jenkins

Description : Jenkins User Interface (UI) contains an information disclosure vulnerability that allows users to see the names of jobs and builds otherwise inaccessible to them on the "Fingerprints" pages.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://www.jenkins.io/security/advisory/2015-11-11/; https://nvd.nist.gov/vuln/detail/CVE-2015-5317

CVE-2016-8735 - Apache Tomcat Remote Code Execution Vulnerability -

Action Due Jun 02, 2023 Target Vendor : Apache

Description : Apache Tomcat contains an unspecified vulnerability that allows for remote code execution if JmxRemoteLifecycleListener is used and an attacker can reach Java Management Extension (JMX) ports. This CVE exists because this listener wasn't updated for consistency with the Oracle patched issues for CVE-2016-3427 which affected credential types.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://tomcat.apache.org/security-9.html; https://nvd.nist.gov/vuln/detail/CVE-2016-8735

CVE-2023-29336 - Microsoft Win32K Privilege Escalation Vulnerability -

Action Due May 30, 2023 Target Vendor : Microsoft

Description : Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation up to SYSTEM privileges.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-29336; https://nvd.nist.gov/vuln/detail/CVE-2023-29336

CVE-2023-1389 - TP-Link Archer AX-21 Command Injection Vulnerability -

Action Due May 22, 2023 Target Vendor : TP-Link

Description : TP-Link Archer AX-21 contains a command injection vulnerability that allows for remote code execution.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://www.tp-link.com/us/support/download/archer-ax21/v3/#Firmware; https://nvd.nist.gov/vuln/detail/CVE-2023-1389

CVE-2021-45046 - Apache Log4j2 Deserialization of Untrusted Data Vulnerability -

Action Due May 22, 2023 Target Vendor : Apache

Description : Apache Log4j2 contains a deserialization of untrusted data vulnerability due to the incomplete fix of CVE-2021-44228, where the Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Known

Notes : https://logging.apache.org/log4j/2.x/security.html; https://nvd.nist.gov/vuln/detail/CVE-2021-45046

CVE-2023-21839 - Oracle WebLogic Server Unspecified Vulnerability -

Action Due May 22, 2023 Target Vendor : Oracle

Description : Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://www.oracle.com/security-alerts/cpujan2023.html; https://nvd.nist.gov/vuln/detail/CVE-2023-21839

CVE-2023-28432 - MinIO Information Disclosure Vulnerability -

Action Due May 12, 2023 Target Vendor : MinIO

Description : MinIO contains a vulnerability in a cluster deployment where MinIO returns all environment variables, which allows for information disclosure.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q; https://nvd.nist.gov/vuln/detail/CVE-2023-28432

CVE-2023-27350 - PaperCut MF/NG Improper Access Control Vulnerability -

Action Due May 12, 2023 Target Vendor : PaperCut

Description : PaperCut MF/NG contains an improper access control vulnerability within the SetupCompleted class that allows authentication bypass and code execution in the context of system.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Known

Notes : https://www.papercut.com/kb/Main/PO-1216-and-PO-1219; https://nvd.nist.gov/vuln/detail/CVE-2023-27350

CVE-2023-2136 - Google Chrome Skia Integer Overflow Vulnerability -

Action Due May 12, 2023 Target Vendor : Google

Description : Google Chromium Skia contains an integer overflow vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability affects Google Chrome and ChromeOS, Android, Flutter, and possibly other products.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_18.html; https://nvd.nist.gov/vuln/detail/CVE-2023-2136

CVE-2017-6742 - Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability -

Action Due May 10, 2023 Target Vendor : Cisco

Description : The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170629-snmp; https://nvd.nist.gov/vuln/detail/CVE-2017-6742