Known Exploited Vulnerabilities Catalog

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild. Organizations should use the KEV catalog as an input to their vulnerability management prioritization framework.

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Showing 61 - 80 of 88
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Cisco | Catalyst 6800 Series Switches

CVE-2017-12238

Cisco Catalyst 6800 Series Switches VPLS Denial-of-Service Vulnerability: A vulnerability in the Virtual Private LAN Service (VPLS) code of Cisco IOS for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a denial of service.

Related CWE: CWE-399

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-12238
Cisco | IOS Software and Cisco IOS XE Software

CVE-2018-0156

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.

Related CWE: CWE-399

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-17
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2018-0156
Cisco | IOS XE Software

CVE-2017-12319

Cisco IOS XE Software Ethernet Virtual Private Network Border Gateway Protocol Denial-of-Service Vulnerability: A vulnerability in the Border Gateway Protocol (BGP) over an Ethernet Virtual Private Network (EVPN) for Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a denial of service (DoS) condition, or potentially corrupt the BGP routing table, which could result in network instability.

Related CWE: CWE-20

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-12319
Cisco | IOS and IOS XE Software

CVE-2017-6627

Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerability: A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.

Related CWE: CWE-399

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6627
Cisco | IOS and IOS XE Software

CVE-2017-6663

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).

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6663
Cisco | IOS and IOS XE Software

CVE-2017-6736

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.

Related CWE: CWE-119

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6736
Cisco | IOS and IOS XE Software

CVE-2017-6737

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.

Related CWE: CWE-119

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6737
Cisco | IOS and IOS XE Software

CVE-2017-6738

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.

Related CWE: CWE-119

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6738
Cisco | IOS and IOS XE Software

CVE-2017-6739

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.

Related CWE: CWE-119

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6739
Cisco | IOS and IOS XE Software

CVE-2017-6740

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.

Related CWE: CWE-119

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6740
Cisco | IOS and IOS XE Software

CVE-2017-6743

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.

Related CWE: CWE-119

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6743
Cisco | IOS software

CVE-2017-6744

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.

Related CWE: CWE-119

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-24
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6744
Cisco | IOS and IOS XE Software

CVE-2018-0151

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.

Related CWE: CWE-119

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-17
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2018-0151
Cisco | IOS Software

CVE-2018-0154

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.

Related CWE: CWE-399

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2022-03-03
  • Due Date: 2022-03-17
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2018-0154
Cisco | Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)

CVE-2020-3580

Cisco ASA and FTD Cross-Site Scripting (XSS) Vulnerability: Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an insufficient input validation vulnerability for user-supplied input by the web services interface. Successful exploitation could allow an attacker to perform cross-site scripting (XSS) in the context of the interface or access sensitive browser-based information.

Related CWE: CWE-79

Known To Be Used in Ransomware Campaigns? Known

Action: Apply updates per vendor instructions.
  • Date Added: 2021-11-03
  • Due Date: 2022-05-03
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-3580
Cisco | HyperFlex HX

CVE-2021-1497

Cisco HyperFlex HX Installer Virtual Machine Command Injection Vulnerability: Cisco HyperFlex HX Installer Virtual Machine contains an insufficient input validation vulnerability which could allow an attacker to execute commands on an affected device as the root user.

Related CWE: CWE-78

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2021-11-03
  • Due Date: 2021-11-17
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-1497
Cisco | HyperFlex HX

CVE-2021-1498

Cisco HyperFlex HX Data Platform Command Injection Vulnerability: Cisco HyperFlex HX Installer Virtual Machine contains an insufficient input validation vulnerability which could allow an attacker to execute commands on an affected device as the tomcat8 user.

Related CWE: CWE-78

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2021-11-03
  • Due Date: 2021-11-17
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-1498
Cisco | IOS and IOS XE

CVE-2018-0171

Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability: Cisco IOS and IOS XE Software improperly validates packet data, allowing an unauthenticated, remote attacker to trigger a reload of an affected device, cause a denial-of-service (DoS) condition, or perform code execution on the affected device.

Related CWE: CWE-20

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2021-11-03
  • Due Date: 2022-05-03
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2018-0171
Cisco | IOS XR

CVE-2020-3118

Cisco IOS XR Software Discovery Protocol Format String Vulnerability: Cisco IOS XR improperly validates string input from certain fields in Cisco Discovery Protocol messages. Exploitation could allow an unauthenticated, adjacent attacker to execute code with administrative privileges or cause a reload on an affected device.

Related CWE: CWE-134

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2021-11-03
  • Due Date: 2022-05-03
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-3118
Cisco | IOS XR

CVE-2020-3566

Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability: Cisco IOS XR Distance Vector Multicast Routing Protocol (DVMRP) incorrectly handles Internet Group Management Protocol (IGMP) packets. Exploitation could allow an unauthenticated, remote attacker to immediately crash the IGMP process or make it consume available memory and eventually crash.

Related CWE: CWE-400

Known To Be Used in Ransomware Campaigns? Unknown

Action: Apply updates per vendor instructions.
  • Date Added: 2021-11-03
  • Due Date: 2022-05-03
Additional Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-3566

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