CVE-2018-0193

Multiple vulnerabilities in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to inject arbitrary commands into the CLI of the affected software, which could allow the attacker to gain access to the underlying Linux shell of an affected device and execute comman...

CVE-2018-0190

CVE-2018-0190 affects Cisco IOS XE Software web UI. The issue is cross-site scripting caused by insufficient input validation of parameters passed via the web UI, enabling an unauthenticated, remote attacker to lure a user to a malicious link or intercept and inject code, potentially executing ar...

CVE-2018-0179

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 affect Cisco devices that are running Cisco...

CVE-2018-0155

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. Th...

CVE-2018-0159

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. The vulnerability is...

CVE-2018-0179

CVE-2018-0179 describes DoS in Cisco IOS Software due to vulnerabilities in the Login Enhancements (Login Block) feature. Affected are Cisco IOS releases 15.4(2)T, 15.4(3)M, 15.4(2)CG and later. An unauthenticated, remote attacker can trigger a device reload, causing DoS. The connected Cisco advi...

CVE-2018-0196

A vulnerability in the web-based user interface web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to write arbitrary files to the operating system of an affected device. The vulnerability is due to insufficient input validation of HTTP requests that are sent to the web...

Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability

Update August 20, 2025: Cisco is aware of continued exploitation activity of the vulnerability that is described in this advisory and strongly recommends that customers assess their systems and upgrade to a fixed software release as soon as possible. A vulnerability in the Smart Install feature o...

CVE-2018-0155

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. Th...

CVE-2018-0158

A vulnerability in the Internet Key Exchange Version 2 IKEv2 module of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an affected device that leads to a denial of service DoS condition. The vulnerability is due to...

CVE-2018-0171

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, or to execute arbitrary code on an affected device. The...

CVE-2018-0167

Multiple Buffer Overflow vulnerabilities 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...

CVE-2018-0174

A vulnerability in the DHCP option 82 encapsulation functionality of 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. The vulnerability exists because the affected...

CVE-2017-12319

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,...

CVE-2017-12310

A vulnerability in the auto discovery phase of Cisco Spark Hybrid Calendar Service could allow an unauthenticated, remote attacker to view sensitive information in the unencrypted headers of an HTTP method request. The attacker could use this information to conduct additional reconnaissance attac...

CVE-2018-0198

A vulnerability in the web framework of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to view sensitive data. The vulnerability is due to insufficient protection of database tables. An attacker could exploit this vulnerability by browsing to a specific URL. ...

Input validation

clamscan in ClamAV before 0.99.4 contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper input validation checking mechanisms when handling Portable Document Format .pdf...

CVE-2017-12310

A vulnerability in the auto discovery phase of Cisco Spark Hybrid Calendar Service could allow an unauthenticated, remote attacker to view sensitive information in the unencrypted headers of an HTTP method request. The attacker could use this information to conduct additional reconnaissance attac...

CVE-2017-12310

A vulnerability in the auto discovery phase of Cisco Spark Hybrid Calendar Service could allow an unauthenticated, remote attacker to view sensitive information in the unencrypted headers of an HTTP method request. The attacker could use this information to conduct additional reconnaissance attac...

CVE-2017-12310

CVE-2017-12310 concerns Cisco Spark Hybrid Calendar Service, where the auto-discovery phase processes unencrypted HTTP requests. The vulnerability allows an unauthenticated, remote attacker to view unencrypted HTTP header information, enabling reconnaissance that could lead to disclosure of sensi...