Cisco IOS DoS

Cisco IOS software contains errors in the implementation of Cisco IOS Intrusion Prevention System and Cisco IOS Zone-Based Firewall components. During their operation, creating multiple sessions may trigger the error ID CSCtdi79848 and a “service failure” by the router due to exhaustion of...

Cisco IOS DoS

Cisco IOS software contains errors in the implementation of the Cisco IOS Zone-Based Firewall component. When this component is operating, specially crafted network packets can trigger a “service failure” due to exhaustion of available memory...

Cisco IOS Zone-Based Firewall Feature Security Bypass (CSCun94946)

According to its self-reported version, the Cisco IOS software running on the remote device is affected by a security bypass vulnerability in the Zone-Based Firewall feature due to insufficient zone checking for traffic belonging to existing sessions. An unauthenticated, remote attacker can explo...

Cisco IOS-XE Zone-Based Firewall Feature Security Bypass (CSCun96847)

According to its self-reported version, the Cisco IOS-XE software running on the remote device is affected by a security bypass vulnerability in the Zone-Based Firewall feature due to insufficient zone checking for traffic belonging to existing sessions. An unauthenticated, remote attacker can...

CVE-2015-0593

The Zone-Based Firewall implementation in Cisco IOS 12.4122T and earlier does not properly manage session-object structures, which allows remote attackers to cause a denial of service device reload via crafted network traffic, aka Bug ID CSCul65003...

Cross site scripting

The Zone-Based Firewall implementation in Cisco IOS 12.4122T and earlier does not properly manage session-object structures, which allows remote attackers to cause a denial of service device reload via crafted network traffic, aka Bug ID CSCul65003...

CVE-2015-0593

The CVE-2015-0593 vulnerability affects Cisco IOS, specifically Zone-Based Firewall on 12.4(122)T and earlier. The issue arises from improper management of session-object structures, allowing remote attackers to trigger a denial of service resulting in a device reload via crafted network traffic ...

CVE-2015-0593

The Zone-Based Firewall implementation in Cisco IOS 12.4122T and earlier does not properly manage session-object structures, which allows remote attackers to cause a denial of service device reload via crafted network traffic, aka Bug ID CSCul65003...

CVE-2015-0593: Undefined Security Weakness

The Zone-Based Firewall implementation in Cisco IOS 12.4122T and earlier does not properly manage session-object structures, which allows remote attackers to cause a denial of service device reload via crafted network traffic, aka Bug ID CSCul65003...

PT-2015-4737

Name of the Vulnerable Software and Affected Versions Cisco IOS versions prior to 12.4122T Description The issue is related to the Zone-Based Firewall implementation, which does not properly manage session-object structures. This allows remote attackers to cause a denial of service, resulting in ...

CVE-2015-0592

The Zone-Based Firewall implementation in Cisco IOS 15.42T3 and earlier allows remote attackers to cause a denial of service device reload via crafted network traffic that triggers incorrect kernel-timer handling, aka Bug ID CSCuh25672...

Cross site scripting

The Zone-Based Firewall implementation in Cisco IOS 15.42T3 and earlier allows remote attackers to cause a denial of service device reload via crafted network traffic that triggers incorrect kernel-timer handling, aka Bug ID CSCuh25672...

CVE-2015-0592

Cisco IOS Zone-Based Firewall (15.4(2)T3 and earlier) is affected by a kernel-timer handling bug (Bug ID CSCuh25672) that enables a remote attacker to trigger a device reload via crafted traffic. The vulnerability stems from improper management of kernel timers within the kernel timer subsystem u...

CVE-2015-0592: Undefined Security Weakness

The Zone-Based Firewall implementation in Cisco IOS 15.42T3 and earlier allows remote attackers to cause a denial of service device reload via crafted network traffic that triggers incorrect kernel-timer handling, aka Bug ID CSCuh25672...

Cisco IOS Software Kernel Timer Vulnerability

A vulnerability in the kernel timers in Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of the affected device. The vulnerability is due to improper management of kernel timers. An attacker could exploit this vulnerability by sending crafted traffic, causing...

PT-2015-4736

Name of the Vulnerable Software and Affected Versions Cisco IOS versions prior to 15.42T3 Description The issue is related to improper management of kernel timers in the Zone-Based Firewall implementation, allowing remote attackers to cause a denial of service via crafted network traffic. This...

CVE-2013-5543

Cisco IOS XE 3.4 before 3.4.2S and 3.5 before 3.5.1S on 1000 ASR devices allows remote attackers to cause a denial of service device reload via malformed ICMP error packets associated with a 1 TCP or 2 UDP session that is under inspection by the Zone-Based Firewall ZBFW component, aka Bug ID...

CVE-2013-5543

Cisco IOS XE 3.4 before 3.4.2S and 3.5 before 3.5.1S on 1000 ASR devices allows remote attackers to cause a denial of service device reload via malformed ICMP error packets associated with a 1 TCP or 2 UDP session that is under inspection by the Zone-Based Firewall ZBFW component, aka Bug ID...

CVE-2013-5543

CVE-2013-5543 affects Cisco IOS XE on 1000 Series ASR routers. A vulnerability in the Zone-Based Firewall (ZBFW) handling allows remote attackers to trigger a device reload via malformed ICMP error packets bound to an active TCP/UDP session (Bug CSCtt26470). Affected versions are IOS XE 3.4 prior...

CVE-2013-5543: Improper Input Validation

Cisco IOS XE 3.4 before 3.4.2S and 3.5 before 3.5.1S on 1000 ASR devices allows remote attackers to cause a denial of service device reload via malformed ICMP error packets associated with a 1 TCP or 2 UDP session that is under inspection by the Zone-Based Firewall ZBFW component, aka Bug ID...