Cisco IOS vulnerabilities
We track 10 vulnerabilities in Cisco IOS products. 5 are rated high or critical, and 10 have been exploited in real attacks. The most recent was published on March 28, 2018.
Latest Cisco IOS vulnerabilities
- 5.9 Medium severity
Cisco IOS Software Denial-of-Service Exploited
Multiple vulnerabilities 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. These vulnerabilities af
- 5.9 Medium severity
Cisco IOS Software Denial-of-Service Exploited
Multiple vulnerabilities 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. These vulnerabilities af
- 6.3 Medium severity
Cisco IOS Software Resource Management Errors Exploited
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, aka a GET MIB Obje
- 7.5 High severity
Cisco IOS Software Integrated Services Module for VPN Denial-of-Service Exploited
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 on an affected device. The vulnerability is d
- 6.5 Medium severity
Cisco Catalyst 6800 Series Switches VPLS Denial-of-Service Exploited
A vulnerability in the Virtual Private LAN Service (VPLS) code of Cisco IOS 15.0 through 15.4 for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resultin
- 7.5 High severity
Cisco IOS Software for Cisco Industrial Ethernet Switches PROFINET Denial-of-Service Exploited
A vulnerability in the implementation of the PROFINET Discovery and Configuration Protocol (PN-DCP) for Cisco IOS 12.2 through 15.6 could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) co
- 7.5 High severity
Cisco IOS Software Common Industrial Protocol Request Denial-of-Service Exploited
Multiple vulnerabilities in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) conditio
- 7.5 High severity
Cisco IOS Software Common Industrial Protocol Request Denial-of-Service Exploited
Multiple vulnerabilities in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) conditio
- 6.5 Medium severity
Cisco IOS Software for Cisco Integrated Services Routers Denial-of-Service Exploited
A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a d
- 7.5 High severity
Cisco IOS Software Network Address Translation Denial-of-Service Exploited
A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due