5244 matches found
Cisco IOS Interface Blocked by IPv4 Packets
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Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability
A vulnerability in the authentication, authorization, and accounting AAA function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass NETCONF or RESTCONF authentication and do either of the following: Install, manipulate, or delete the configuration of an affected...
Cisco AnyConnect Secure Mobility Client Arbitrary Code Execution Vulnerability
A vulnerability in the interprocess communication IPC channel of Cisco AnyConnect Secure Mobility Client Software could allow an authenticated, local attacker to cause a targeted AnyConnect user to execute a malicious script. The vulnerability is due to a lack of authentication to the IPC listene...
Cisco IOS and IOS XE Software VLAN Trunking Protocol Denial of Service Vulnerability
A vulnerability in the VLAN Trunking Protocol VTP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to corrupt the internal VTP database on an affected device and cause a denial of service DoS condition. The vulnerability is due to a logic...
Cisco IOS XE Software Arbitrary Code Execution Vulnerability
A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker to execute persistent code at boot time and break the chain of trust. This vulnerability is due to incorrect validations by boot scripts when specific ROM monitor ROMMON variables are set. An attacker could...
Cisco Finesse Open Redirect Vulnerability
A vulnerability in the web-based management interface of Cisco Finesse could allow an unauthenticated, remote attacker to redirect a user to an undesired web page. This vulnerability is due to improper input validation of the URL parameters in an HTTP request that is sent to an affected system. A...
Cisco Data Center Network Manager Arbitrary File Upload and Remote Code Execution Vulnerability
A vulnerability in the web-based management interface of Cisco Data Center Network Manager DCNM could allow an unauthenticated, remote attacker to upload arbitrary files on an affected device. The vulnerability is due to incorrect permission settings in affected DCNM software. An attacker could...
Cisco Unified Communications Manager IM&P Service, Cisco TelePresence VCS, and Cisco Expressway Series Denial of Service Vulnerability
A vulnerability in the authentication service of the Cisco Unified Communications Manager IM and Presence Unified CM IM&P Service, Cisco TelePresence Video Communication Server VCS, and Cisco Expressway Series could allow an unauthenticated, remote attacker to cause a service outage for users...
Cisco IOS and IOS XE Software Network Plug-and-Play Agent Certificate Validation Vulnerability
A vulnerability in the Cisco Network Plug-and-Play PnP agent of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data. The vulnerability exists because the affected software insufficiently validates certificates...
Cisco IOS and IOS XE Software Cluster Management Protocol Remote Code Execution Vulnerability
A vulnerability in the Cisco Cluster Management Protocol CMP processing code in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device or remotely execute code with elevated privileges. The Cluster Management Protocol utilizes...
OpenSSL RSA Temporary Key Cryptographic Downgrade Vulnerability
A vulnerability in OpenSSL could allow an unauthenticated, remote attacker to bypass security restrictions. The vulnerability is due to improper handling of an RSA temporary key. An attacker with a privileged network position could exploit the vulnerability by returning a weak temporary RSA key t...
Cisco Unified Contact Center Express HTTP Response Splitting Vulnerability
A vulnerability in Cisco Unified Contact Center Express UCCX Software could allow an unauthenticated, remote attacker to conduct an HTTP response splitting attack. The vulnerability is due to insufficient input validation of some parameters that are passed to the web server of the affected system...
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IKEv1 Denial of Service Vulnerability
A vulnerability in the Internet Key Exchange version 1 IKEv1 feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service DoS...
Cisco Firepower System Software Detection Engine RTF and RAR Malware and File Policy Bypass Vulnerabilities
Multiple vulnerabilities in the Cisco Firepower System Software Detection Engine could allow an unauthenticated, remote attacker to bypass configured Malware and File Policies for RTF and RAR file types. For more information about these vulnerabilities, see the Details "details" section of this...
Cisco Firepower Management Center Command Injection Vulnerability
A vulnerability in the web UI of the Cisco Firepower Management Center FMC could allow an authenticated, remote attacker to inject arbitrary commands that are executed with the privileges of the root user of the underlying operating system. The vulnerability is due to insufficient validation of...
Cisco FXOS Software and Firepower Threat Defense Software Command Injection Vulnerabilities
Multiple vulnerabilities in the CLI of Cisco FXOS Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to execute commands on the underlying operating system OS with root privileges. These vulnerabilities are due to insufficient input validation. A...
Cisco IOS Software TCP Initial Sequence Number Randomization Improvements
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Apache HTTP Server Vulnerabilities: October 2021
On October 5, 2021 and October 7, 2021, the Apache Software Foundation released two security announcements for the Apache HTTP Server that disclosed the following vulnerabilities: CVE-2021-41524: Null Pointer Dereference Vulnerability CVE-2021-41773: Path Traversal and Remote Code Execution...
Cisco IOS, IOS XE, and IOS XR Software Link Layer Discovery Protocol Buffer Overflow Vulnerabilities
Multiple 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 privileges on a...
CPU Side-Channel Information Disclosure Vulnerabilities
On January 3, 2018, researchers disclosed three vulnerabilities that take advantage of the implementation of speculative execution of instructions on many modern microprocessor architectures to perform side-channel information disclosure attacks. These vulnerabilities could allow an unprivileged...
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerabilities
Multiple vulnerabilities in the Universal Plug and Play UPnP service and the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow a remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly. For more...
Multiple Vulnerabilities in Wi-Fi Protected Access and Wi-Fi Protected Access II
On October 16, 2017, a research paper with the title “Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2” was made publicly available. This paper discusses seven vulnerabilities affecting session key negotiation in both the Wi-Fi Protected Access WPA and the Wi-Fi Protected Access II WPA2...
Cisco Firepower Management Center Remote Code Execution Vulnerability
A vulnerability in the web UI of the Cisco Firepower Management Center FMC could allow an authenticated, remote attacker to execute arbitrary commands on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted...
TCP Vulnerabilities in Multiple IOS-Based Cisco Products
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Cisco Wireless LAN Controller Secure Shell Denial of Service Vulnerability
A vulnerability in the Secure Shell SSH session management for Cisco Wireless LAN Controller WLC Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability exists because the SSH process is not properly deleted when...
BlackBerry QNX-2021-001 Vulnerability Affecting Cisco Products: August 2021
On August 17, 2021, BlackBerry released a security advisory, QNX-2021-001 "https://support.blackberry.com/kb/articleDetail?articleNumber=000082334", that disclosed an integer overflow vulnerability in the following BlackBerry software releases: QNX Software Development Platform SDP – 6.5.0SP1 and...
Cisco NX-OS Software system login block-for Denial of Service Vulnerability
A vulnerability in the implementation of the system login block-for command for Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a login process to unexpectedly restart, causing a denial of service DoS condition. This vulnerability is due to a logic error in the...
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerability
A vulnerability in the Universal Plug-and-Play UPnP service of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly, resulting in a denial of service DoS...
Cisco Firepower System Software Intelligent Application Bypass Vulnerability
A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass configured file action policies if an Intelligent Application Bypass IAB with a drop percentage threshold is also configured. The vulnerability is due to incorrect...
TCP Vulnerabilities in Multiple Non-IOS Cisco Products
A vulnerability in the Transmission Control Protocol TCP specification RFC793 has been discovered by an external researcher. The successful exploitation enables an adversary to reset any established TCP connection in a much shorter time than was previously discussed publicly. Depending on the...
Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerability
A vulnerability in an API endpoint of Cisco Application Policy Infrastructure Controller APIC and Cisco Cloud Application Policy Infrastructure Controller Cloud APIC could allow an unauthenticated, remote attacker to read or write arbitrary files on an affected system. This vulnerability is due t...
Cisco Unified Communications Manager SQL Injection Vulnerability
A vulnerability in the web-based interface of Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition SME could allow an authenticated, remote attacker to impact the confidentiality of an affected system by executing arbitrary SQL queries. The...
Cisco IoT Field Network Director Resource Exhaustion Denial of Service Vulnerability
A vulnerability in the UDP protocol implementation for Cisco IoT Field Network Director IoT-FND could allow an unauthenticated, remote attacker to exhaust system resources, resulting in a denial of service DoS condition. The vulnerability is due to improper resource management for UDP ingress...
Cisco Firepower Threat Defense Software Command Injection Vulnerability
A vulnerability in the command line interface CLI of Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker with administrative privileges to execute commands on the underlying operating system with root privileges. The vulnerability is due to insufficient input...
Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability
A vulnerability in ICMP Version 6 ICMPv6 processing in Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a slow system memory leak, which over time could lead to a denial of service DoS condition. This vulnerability is due to improper error handling when an...
Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability
A vulnerability in the Session Initiation Protocol SIP protocol implementation of Cisco Unified Communications Manager and Unified Communications Manager Session Management Edition could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due...
Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability
A vulnerability in the Network Address Translation NAT Session Initiation Protocol SIP Application Layer Gateway ALG of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of SIP packets in...
Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities
Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server VCS could allow an authenticated, remote attacker with read/write privileges to the application to write files or execute arbitrary code on the...
Cisco IOS XE Software Security Hardening Release: August 2026
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. Thes...
Cisco DNA Center Authentication Bypass Vulnerability
A vulnerability in Cisco Digital Network Architecture DNA Center could allow an unauthenticated, adjacent attacker to bypass authentication and access critical internal services. The vulnerability is due to insufficient access restriction to ports necessary for system operation. An attacker could...
Cisco Prime Infrastructure Cross-Site Scripting Vulnerability
A vulnerability in the web-based management interface of Cisco Prime Infrastructure could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the web-based management interface of the affected software. The vulnerability is due to insufficient...
Cisco SD-WAN Solution Privilege Escalation Vulnerability
A vulnerability in the user group configuration of the Cisco SD-WAN Solution could allow an authenticated, local attacker to gain elevated privileges on an affected device. The vulnerability is due to a failure to properly validate certain parameters included within the group configuration. An...
Cisco IC3000 Industrial Compute Gateway Denial of Service Vulnerability
A vulnerability in the web-based management interface of Cisco IC3000 Industrial Compute Gateway could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability exists because the affected software improperly manages system...
Sudo Privilege Escalation Vulnerability Affecting Cisco Products: January 2021
A vulnerability in the command line parameter parsing code of Sudo could allow an authenticated, local attacker to execute commands or binaries with root privileges. The vulnerability is due to improper parsing of command line parameters that may result in a heap-based buffer overflow. An attacke...
Multiple Vulnerabilities in OpenSSL (March 2015) Affecting Cisco Products
Multiple Cisco products incorporate a version of the OpenSSL package affected by one or more vulnerabilities that could allow an unauthenticated, remote attacker to cause a denial of service DoS condition or corrupt portions of OpenSSL process memory. On March 19, 2015, the OpenSSL Project releas...
Multiple Cisco Products Snort 3 MIME Denial of Service Vulnerabilities
Multiple Cisco products are affected by vulnerabilities in the HTTP Multipurpose Internet Mail Extensions MIME Decoder that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to leak possible sensitive information or to restart. For more information about these...
Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability
A vulnerability in the software-based SSL/TLS message handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is due to insufficient validati...
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspection Denial of Service Vulnerability
A vulnerability in the FTP inspection engine of Cisco Adaptive Security ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to insufficient validatio...
Cisco Data Center Network Manager Arbitrary File Download Vulnerability
A vulnerability in the web-based management interface of Cisco Data Center Network Manager DCNM could allow an unauthenticated, remote attacker to gain access to sensitive files on an affected device. The vulnerability is due to incorrect permissions settings on affected DCNM software. An attacke...
Cisco Prime Service Catalog Cross-Site Request Forgery Vulnerability
A vulnerability in the web-based management interface of Cisco Prime Service Catalog Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery CSRF attack on an affected system. The vulnerability is due to insufficient CSRF protection mechanisms on the...