Cybersecurity Alerts

Actively Exploited Vulnerabilities

The vulnerabilities listed below are sourced from the CISA Known Exploited Vulnerabilities catalog and represent security flaws that are actively being exploited in the wild. This list is updated daily. If you are unsure whether your systems are affected, contact us and we will help you assess your exposure.

CVE-2020-1938
Apache | Tomcat
Apache Tomcat Improper Privilege Management Vulnerability
Apache Tomcat treats Apache JServ Protocol (AJP) connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attacker, they can be exploited.
CVE-2020-11899
Treck TCP/IP stack | IPv6
Treck TCP/IP stack Out-of-Bounds Read Vulnerability
The Treck TCP/IP stack contains an IPv6 out-of-bounds read vulnerability.
CVE-2019-16928
Exim | Exim Internet Mailer
Exim Out-of-bounds Write Vulnerability
Exim contains an out-of-bounds write vulnerability which can allow for remote code execution.
CVE-2019-1652
Cisco | Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers
Cisco Small Business Routers Improper Input Validation Vulnerability
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an authenticated, remote attacker with administrative privileges on an affected device to execute arbitrary commands.
CVE-2019-1297
Microsoft | Excel
Microsoft Excel Remote Code Execution Vulnerability
A remote code execution vulnerability exists in Microsoft Excel when the software fails to properly handle objects in memory.
CVE-2018-8581Active Ransomware Campaign
Microsoft | Exchange Server
Microsoft Exchange Server Privilege Escalation Vulnerability
A privilege escalation vulnerability exists in Microsoft Exchange Server. An attacker who successfully exploited this vulnerability could attempt to impersonate any other user of the Exchange server.
CVE-2018-8298
ChakraCore | ChakraCore scripting engine
ChakraCore Scripting Engine Type Confusion Vulnerability
The ChakraCore scripting engine contains a type confusion vulnerability which can allow for remote code execution.
CVE-2018-0180
Cisco | IOS Software
Cisco IOS Software Denial-of-Service Vulnerability
A vulnerability in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition.
CVE-2018-0179
Cisco | IOS Software
Cisco IOS Software Denial-of-Service Vulnerability
A vulnerability in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition.
CVE-2018-0175
Cisco | IOS, XR, and XE Software
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
Format string vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device.
CVE-2018-0174
Cisco | IOS XE Software
Cisco IOS Software and Cisco IOS XE Software Improper Input Validation Vulnerability
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow for denial-of-service (DoS).
CVE-2018-0173
Cisco | IOS and IOS XE Software
Cisco IOS and IOS XE Software Improper Input Validation Vulnerability
A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets can allow for denial-of-service (DoS).
CVE-2018-0172
Cisco | IOS and IOS XE Software
Cisco IOS and IOS XE Software Improper Input Validation Vulnerability
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow for denial-of-service (DoS).
CVE-2018-0167
Cisco | IOS, XR, and XE Software
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
There is a buffer overflow vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software which could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code.
CVE-2018-0161
Cisco | IOS Software
Cisco IOS Software Resource Management Errors Vulnerability
A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software running on certain models of Cisco Catalyst Switches could allow an authenticated, remote attacker to cause a denial-of-service (DoS) condition.
CVE-2018-0159
Cisco | IOS Software and Cisco IOS XE Software
Cisco IOS and XE Software Internet Key Exchange Version 1 Denial-of-Service Vulnerability
A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial-of-service (DoS) condition.
CVE-2018-0158
Cisco | IOS Software and Cisco IOS XE Software
Cisco IOS and XE Software Internet Key Exchange Memory Leak Vulnerability
A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial-of-service (DoS) condition.
CVE-2018-0156
Cisco | IOS Software and Cisco IOS XE Software
Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial-of-service (DoS) condition.
CVE-2018-0155
Cisco | Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches
Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability
A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial-of-service (DoS) condition.
CVE-2018-0154
Cisco | IOS Software
Cisco IOS Software Integrated Services Module for VPN Denial-of-Service Vulnerability
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial-of-service (DoS) condition.
CVE-2018-0151
Cisco | IOS and IOS XE Software
Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution Vulnerability
A vulnerability in the quality of service (QoS) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges.
CVE-2017-8540
Microsoft | Malware Protection Engine
Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to memory corruption. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability".
CVE-2017-6744
Cisco | IOS software
Cisco IOS Software SNMP Remote Code Execution Vulnerability
The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS 1 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. An attacker could exploit these vulnerabilities by sending a crafted SNMP packet to an affected system via IPv4 or IPv6.
CVE-2017-6743
Cisco | IOS and IOS XE Software
Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability
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.
CVE-2017-6740
Cisco | IOS and IOS XE Software
Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability
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.
CVE-2017-6739
Cisco | IOS and IOS XE Software
Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability
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.
CVE-2017-6738
Cisco | IOS and IOS XE Software
Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability
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.
CVE-2017-6737
Cisco | IOS and IOS XE Software
Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability
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.
CVE-2017-6736
Cisco | IOS and IOS XE Software
Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability
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.
CVE-2017-6663
Cisco | IOS and IOS XE Software
Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability
A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause autonomic nodes of an affected system to reload, resulting in denial-of-service (DoS).