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CyberSigur / Security Intelligence

Known exploited vulnerabilities

Browse CISA's Known Exploited Vulnerabilities catalog. Search by CVE, vendor, or product. Information is published by the US Cybersecurity and Infrastructure Security Agency.

Official CISA source ↗CISA updated: 2026-10-30

1,766 vulnerabilities · Page 69 of 89

CVE-2018-0158

Cisco IOS and XE Software Internet Key Exchange Memory Leak Vulnerability

Cisco · IOS Software and Cisco IOS XE Software · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-0159

Cisco IOS and XE Software Internet Key Exchange Version 1 Denial-of-Service Vulnerability

Cisco · IOS Software and Cisco IOS XE Software · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-0161

Cisco IOS Software Resource Management Errors Vulnerability

Cisco · IOS Software · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-0167

Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability

Cisco · IOS, XR, and XE Software · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-0172

Cisco IOS and IOS XE Software Improper Input Validation Vulnerability

Cisco · IOS and IOS XE Software · Added: 2022-03-03

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).

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-0173

Cisco IOS and IOS XE Software Improper Input Validation Vulnerability

Cisco · IOS and IOS XE Software · Added: 2022-03-03

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).

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-0174

Cisco IOS Software and Cisco IOS XE Software Improper Input Validation Vulnerability

Cisco · IOS XE Software · Added: 2022-03-03

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).

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-0175

Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability

Cisco · IOS, XR, and XE Software · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-0179

Cisco IOS Software Denial-of-Service Vulnerability

Cisco · IOS Software · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-0180

Cisco IOS Software Denial-of-Service Vulnerability

Cisco · IOS Software · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-8298

ChakraCore Scripting Engine Type Confusion Vulnerability

ChakraCore · ChakraCore scripting engine · Added: 2022-03-03

The ChakraCore scripting engine contains a type confusion vulnerability which can allow for remote code execution.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2018-8581Confirmed ransomware campaign use

Microsoft Exchange Server Privilege Escalation Vulnerability

Microsoft · Exchange Server · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2019-1297

Microsoft Excel Remote Code Execution Vulnerability

Microsoft · Excel · Added: 2022-03-03

A remote code execution vulnerability exists in Microsoft Excel when the software fails to properly handle objects in memory.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2019-1652

Cisco Small Business Routers Improper Input Validation Vulnerability

Cisco · Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2019-16928

Exim Out-of-bounds Write Vulnerability

Exim · Exim Internet Mailer · Added: 2022-03-03

Exim contains an out-of-bounds write vulnerability which can allow for remote code execution.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2020-11899

Treck TCP/IP stack Out-of-Bounds Read Vulnerability

Treck TCP/IP stack · IPv6 · Added: 2022-03-03

The Treck TCP/IP stack contains an IPv6 out-of-bounds read vulnerability.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2020-1938

Apache Tomcat Improper Privilege Management Vulnerability

Apache · Tomcat · Added: 2022-03-03

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.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-41379Confirmed ransomware campaign use

Microsoft Windows Installer Privilege Escalation Vulnerability

Microsoft · Windows · Added: 2022-03-03

Microsoft Windows Installer contains an unspecified vulnerability that allows for privilege escalation.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2022-20699

Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability

Cisco · Small Business RV160, RV260, RV340, and RV345 Series Routers · Added: 2022-03-03

A vulnerability in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause a denial of service (DoS).

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2022-20700

Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability

Cisco · Small Business RV160, RV260, RV340, and RV345 Series Routers · Added: 2022-03-03

A vulnerability in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause a denial of service (DoS).

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
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