CVE-2018-0170

A vulnerability in the Cisco Umbrella Integration feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition, related to the OpenDNS software. The vulnerability is due to a logic error that exists when handling a malformed incoming...

CVE-2018-0157

A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a device to reload. The vulnerability is due to the way fragmented packets are handled in the firewall code. An attacker could exploit this vulnerability by sending...

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-2018-0170

CVE-2018-0170 affects Cisco IOS XE Software with the Umbrella Integration feature. A logic error when processing malformed incoming IP packets can cause access to a freed internal data structure, enabling an unauthenticated remote attacker to trigger a reload and DoS. Exploitation requires sendin...

CVE-2018-0195

A vulnerability in the Cisco IOS XE Software REST API could allow an authenticated, remote attacker to bypass API authorization checks and use the API to perform privileged actions on an affected device. The vulnerability is due to insufficient authorization checks for requests that are sent to t...

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...

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-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. ...

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...

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...