CISA Known Exploited Vulnerabilities Catalog
7.8
CVE-2023-36036 - Microsoft Windows Cloud Files Mini Filter Driver Privilege Escalation Vulnerability -
Action Due Dec 05, 2023 Target Vendor : Microsoft
Description : Microsoft Windows Cloud Files Mini Filter Driver contains a privilege escalation vulnerability that could allow an 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/en-US/vulnerability/CVE-2023-36036
7.8
CVE-2023-36033 - Microsoft Windows Desktop Window Manager (DWM) Core Library Privilege Escalation Vulnerability -
Action Due Dec 05, 2023 Target Vendor : Microsoft
Description : Microsoft Windows Desktop Window Manager (DWM) Core Library 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/en-US/vulnerability/CVE-2023-36033
8.8
CVE-2023-36025 - Microsoft Windows SmartScreen Security Feature Bypass Vulnerability -
Action Due Dec 05, 2023 Target Vendor : Microsoft
Description : Microsoft Windows SmartScreen contains a security feature bypass vulnerability that could allow an attacker to bypass Windows Defender SmartScreen checks and their associated prompts.
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-2023-36025
9.8
CVE-2023-47246 - SysAid Server Path Traversal Vulnerability -
Action Due Dec 04, 2023 Target Vendor : SysAid
Description : SysAid Server (on-premises version) contains a path traversal vulnerability that leads to 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.sysaid.com/blog/service-desk/on-premise-software-security-vulnerability-notification
5.3
CVE-2023-36844 - Juniper Junos OS EX Series PHP External Variable Modification Vulnerability -
Action Due Nov 17, 2023 Target Vendor : Juniper
Description : Juniper Junos OS on EX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables, leading to partial loss of integrity, which may allow chaining to other vulnerabilities.
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://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US
9.8
CVE-2023-36845 - Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability -
Action Due Nov 17, 2023 Target Vendor : Juniper
Description : Juniper Junos OS on EX Series and SRX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control an important environment variable. Using a crafted request, which sets the variable PHPRC, an attacker is able to modify the PHP execution environment allowing the injection und execution of code.
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://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US
5.3
CVE-2023-36846 - Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability -
Action Due Nov 17, 2023 Target Vendor : Juniper
Description : Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to user.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.
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://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US
5.3
CVE-2023-36847 - Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability -
Action Due Nov 17, 2023 Target Vendor : Juniper
Description : Juniper Junos OS on EX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to installAppPackage.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.
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://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US
5.3
CVE-2023-36851 - Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability -
Action Due Nov 17, 2023 Target Vendor : Juniper
Description : Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to webauth_operation.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.
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://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US
7.5
CVE-2023-29552 - Service Location Protocol (SLP) Denial-of-Service Vulnerability -
Action Due Nov 29, 2023 Target Vendor : IETF
Description : The Service Location Protocol (SLP) contains a denial-of-service (DoS) vulnerability that could allow an unauthenticated, remote attacker to register services and use spoofed UDP traffic to conduct a denial-of-service (DoS) attack with a significant amplification factor.
Action : Apply mitigations per vendor instructions or disable SLP service or port 427/UDP on all systems running on untrusted networks, including those directly connected to the Internet.
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 the patching status. For more information please see https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp and https://www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacks.
9.8
CVE-2023-22518 - Atlassian Confluence Data Center and Server Improper Authorization Vulnerability -
Action Due Nov 28, 2023 Target Vendor : Atlassian
Description : Atlassian Confluence Data Center and Server contain an improper authorization vulnerability that can result in significant data loss when exploited by an unauthenticated attacker. There is no impact on confidentiality since the attacker cannot exfiltrate any data.
Action : Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://confluence.atlassian.com/security/cve-2023-22518-improper-authorization-vulnerability-in-confluence-data-center-and-server-1311473907.html
10.0
CVE-2023-46604 - Apache ActiveMQ Deserialization of Untrusted Data Vulnerability -
Action Due Nov 23, 2023 Target Vendor : Apache
Description : Apache ActiveMQ contains a deserialization of untrusted data vulnerability that may allow a remote attacker with network access to a broker to run shell commands by manipulating serialized class types in the OpenWire protocol to cause the broker to instantiate any class on the classpath.
Action : Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://activemq.apache.org/security-advisories.data/CVE-2023-46604-announcement.txt
8.8
CVE-2023-46748 - F5 BIG-IP Configuration Utility SQL Injection Vulnerability -
Action Due Nov 21, 2023 Target Vendor : F5
Description : F5 BIG-IP Configuration utility contains an SQL injection vulnerability that may allow an authenticated attacker with network access through the BIG-IP management port and/or self IP addresses to execute system commands. This vulnerability can be used in conjunction with CVE-2023-46747.
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://my.f5.com/manage/s/article/K000137365
9.8
CVE-2023-46747 - F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability -
Action Due Nov 21, 2023 Target Vendor : F5
Description : F5 BIG-IP Configuration utility contains an authentication bypass using an alternate path or channel vulnerability due to undisclosed requests that may allow an unauthenticated attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute system commands. This vulnerability can be used in conjunction with CVE-2023-46748.
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://my.f5.com/manage/s/article/K000137353
6.1
CVE-2023-5631 - Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability -
Action Due Nov 16, 2023 Target Vendor : Roundcube
Description : Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that allows a remote attacker to run malicious JavaScript code.
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/2023/10/16/security-update-1.6.4-released, https://roundcube.net/news/2023/10/16/security-updates-1.5.5-and-1.4.15
7.2
CVE-2023-20273 - Cisco IOS XE Web UI Command Injection Vulnerability -
Action Due Oct 27, 2023 Target Vendor : Cisco
Description : Cisco IOS XE contains a command injection vulnerability in the web user interface. When chained with CVE-2023-20198, the attacker can leverage the new local user to elevate privilege to root and write the implant to the file system. Cisco identified CVE-2023-20273 as the vulnerability exploited to deploy the implant. CVE-2021-1435, previously associated with the exploitation events, is no longer believed to be related to this activity.
Action : Verify that instances of Cisco IOS XE Web UI are in compliance with BOD 23-02 and apply mitigations per vendor instructions. For affected products (Cisco IOS XE Web UI exposed to the internet or to untrusted networks), follow vendor instructions to determine if a system may have been compromised and immediately report positive findings to CISA.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z
9.4
CVE-2023-4966 - Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability -
Action Due Nov 08, 2023 Target Vendor : Citrix
Description : Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for sensitive information disclosure when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
Action : Apply mitigations and kill all active and persistent sessions per vendor instructions [https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/] OR discontinue use of the product if mitigations are unavailable.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/, https://support.citrix.com/article/CTX579459/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20234966-and-cve20234967
10.0
CVE-2023-20198 - Cisco IOS XE Web UI Privilege Escalation Vulnerability -
Action Due Oct 20, 2023 Target Vendor : Cisco
Description : Cisco IOS XE Web UI contains a privilege escalation vulnerability in the web user interface that could allow a remote, unauthenticated attacker to create an account with privilege level 15 access. The attacker can then use that account to gain control of the affected device.
Action : Verify that instances of Cisco IOS XE Web UI are in compliance with BOD 23-02 and apply mitigations per vendor instructions. For affected products (Cisco IOS XE Web UI exposed to the internet or to untrusted networks), follow vendor instructions to determine if a system may have been compromised and immediately report positive findings to CISA.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xe-dublin-17121/221128-software-fix-availability-for-cisco-ios.html
7.8
CVE-2023-21608 - Adobe Acrobat and Reader Use-After-Free Vulnerability -
Action Due Oct 31, 2023 Target Vendor : Adobe
Description : Adobe Acrobat and Reader contains a use-after-free vulnerability that allows for code execution in the context of the current user.
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://helpx.adobe.com/security/products/acrobat/apsb23-01.html
6.6
CVE-2023-20109 - Cisco IOS and IOS XE Group Encrypted Transport VPN Out-of-Bounds Write Vulnerability -
Action Due Oct 31, 2023 Target Vendor : Cisco
Description : Cisco IOS and IOS XE contain an out-of-bounds write vulnerability in the Group Encrypted Transport VPN (GET VPN) feature that could allow an authenticated, remote attacker who has administrative control of either a group member or a key server to execute malicious code or cause a device to crash.
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://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-getvpn-rce-g8qR68sx