Vulnerabilidades de Cisco
CVEs publicadas que afetam produtos de Cisco: 483 registro(s), com severidade, exploração e correções.
Cisco Secure Firewall Threat Defense (FTD) Software 66Cisco Identity Services Engine Software 63Secure Firewall Threat Defense 51Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 45Ios Xe 43Identity Services Engine 42Ios 42Adaptive Security Appliance Software 39Cisco ISE Passive Identity Connector 32Cisco IOS XE Software 30Cisco Secure Firewall Management Center (FMC) 28Identity Services Engine Passive Identity Connector 26Catalyst Sd-wan Manager 21Cisco NX-OS Software 18Ios Xr 16Cisco Secure Endpoint 15Cisco Unified Computing System (Standalone) 14Cisco Unified Computing System (Managed) 13Enterprise Nfv Infrastructure Software 12Cisco IOS XR Software 12Unified Computing System 12Cisco UTD SNORT IPS Engine Software 12Cisco Unified Computing System E-Series Software (UCSE) 12Cyber Vision 11Cisco RoomOS Software 10Cisco NX-OS System Software in ACI Mode 10Snort 10Nexus Dashboard 10Cisco Secure Email 9Unity Connection 9Unified Contact Center Express 9Unified Computing System E-series Software 9Unified Threat Defense Snort Intrusion Prevention System Engine 9Cisco License On-Prem 8Roomos 8Cisco Catalyst SD-WAN Controller 7Cisco Campus Gateway Software 7Cisco Meraki MR Wireless Access Points Software 7Cisco Meraki MX Firmware 7Roomos Cloud 7
CVE-2026-20177
Média · 5.3
CWE-770 19/08/2026
Cisco Industrial Ethernet 1000 Series Switches Denial of Service Vulnerability
A vulnerability in the handling of management plane packets by Cisco Industrial Ethernet (IE) 1000 Series Switches could allow an unauthenticated, remote attacker to cause the device manager, SSH, or API to become inaccessible.This vulnerability is due to insufficient protection against management plane flooding attacks. An attacker could exploit this vulnerability by sending a high rate of ICMP, SSH, or HTTP traffic to an affected device. A successful exploit could allow the attacker to cause the CPU of the device to increase, resulting in a denial of service (DoS) condition on the device manager web GUI, SSH, or API. Data traffic through the device is not affected.
CVE-2026-20030
Crítica · 10.0
CWE-89 19/08/2026
Cisco Crosswork Security Hardening Release: August 2026
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20030 are related to improper neutralization of special elements used in a SQL command issues that are grouped under the Common Weakness Enumeration (CWE) CWE-89.
CVE-2026-20349
Alta · 8.6
KEV Alta · 53 CWE-244 11/08/2026
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection Vulnerability
A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
This vulnerability is due to insufficient error checking when processing HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the Remote Access SSL VPN service on an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
CVE-2026-20348
Alta · 7.5
CWE-120 07/08/2026
ClamAV XAR File Format Processing Memory Corruption Vulnerability
A vulnerability in the XAR file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device.
This vulnerability is due to improper boundary checks for content in XAR files during scanning. An attacker could exploit this vulnerability by submitting a crafted file that contains XAR content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.
CVE-2026-20347
Alta · 7.5
CWE-125 07/08/2026
ClamAV Mach-O File Format Processing Memory Corruption Vulnerability
A vulnerability in the Mach-O file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device.
This vulnerability is due to improper boundary checks for content in Mach-O files during scanning, which may result in an out-of-bounds buffer read. An attacker could exploit this vulnerability by submitting a crafted Mach-O file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.
CVE-2026-20346
Alta · 7.5
CWE-125 07/08/2026
ClamAV PDF File Format Processing Memory Corruption Vulnerability
A vulnerability in the PDF file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device.
This vulnerability is due to improper boundary checks for content in PDF files during scanning, which may result in an out-of-bounds buffer read. An attacker could exploit this vulnerability by submitting a crafted PDF file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.
CVE-2026-20345
Alta · 7.5
CWE-121 07/08/2026
ClamAV GPT File Format Processing Memory Corruption Vulnerability
A vulnerability in the GPT file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device.
This vulnerability is due to improper handling of an endian conversion operation, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted GPT file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.
CVE-2026-20339
Alta · 7.5
CWE-190 07/08/2026
ClamAV PESpin File Format Processing Integer Overflow Vulnerability
A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device.
This vulnerability is due to improper boundary checks for content in PESpin files during scanning, which may result in an integer overflow. An attacker could exploit this vulnerability by submitting a crafted file that contains PESpin content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.
CVE-2026-20338
Alta · 7.5
CWE-415 07/08/2026
ClamAV ZIP File Format Processing Memory Corruption Vulnerability
A vulnerability in the zip archive parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device.
This vulnerability is due to improper memory handling when processing content in zip files during scanning. An attacker could exploit this vulnerability by submitting a crafted zip file for scanning. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate as a result of a memory double-free, resulting in a DoS condition on the affected software.
CVE-2026-20337
Alta · 7.5
CWE-120 07/08/2026
ClamAV ZIP File Format Processing Memory Corruption Vulnerability
A vulnerability in the zip archive parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device.
This vulnerability is due to improper boundary checks for content in zip files during scanning, which may result in an out-of-bounds write condition. An attacker could exploit this vulnerability by submitting a crafted zip file for scanning. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.
CVE-2026-20313
Alta · 7.7
CWE-1284 05/08/2026
Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20313 are related to Improper link resolution before file access issues that are grouped under the Common Weakness Enumeration (CWE) CWE-1284.
CVE-2026-20312
Alta · 8.8
CWE-312 05/08/2026
Cisco Catalyst SD-WAN Security Hardening Release - Information Disclosure Vulnerabilities
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20312 are related to Cleartext storage of sensitive information issues that are grouped under the Common Weakness Enumeration (CWE) CWE-312.
CVE-2026-20311
Média · 6.3
CWE-126 05/08/2026
Cisco IOS XE Software Web UI Denial of Service Vulnerability
A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to insufficient error handling in the web-based management interface. An attacker could exploit this vulnerability by authenticating with a malformed certificate. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
CVE-2026-20310
Crítica · 9.1
CWE-59 05/08/2026
Cisco SD-WAN Software Security Hardening Release - Improper Link Resolution Before File Access
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20310 are related to improper link resolution before file access issues that are grouped under the Common Weakness Enumeration (CWE) CWE-59.
CVE-2026-20308
Média · 4.3
CWE-269 05/08/2026
Cisco IOS XE Software Web-Based Management Interface Vulnerability
A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an authenticated, remote attacker with low privileges to perform a denial of service (DoS) attack against an affected device.
This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the web-based management interface to become unresponsive.
CVE-2026-20304
Crítica · 9.9
CWE-284 05/08/2026
Cisco Catalyst SD-WAN Security Hardening Release - Access Control Vulnerabilities
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20304 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.
CVE-2026-20303
Crítica · 9.9
CWE-20 05/08/2026
Cisco Catalyst SD-WAN Security Hardening Release - Input Validation Vulnerabilities
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20303 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) CWE-20.
CVE-2026-20301
Alta · 8.6
CWE-606 05/08/2026
Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability
A vulnerability in the Extensible Messaging Client Protocol (XMCP), also referred to as the External Client protocol, of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper handling of malformed XMCP packets. An attacker could exploit this vulnerability by sending a malformed XMCP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to reload unexpectedly, resulting in a DoS condition. The attacker does not need the XMCP client username to exploit this vulnerability.
CVE-2026-20294
Média · 6.5
CWE-319 05/08/2026
Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability
A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to view sensitive information in clear text on an affected system.
This vulnerability is due to insufficient access control enforcement for specific template types that are not included in the encryption allowlist. A low-privileged attacker could exploit this vulnerability by viewing logs on the local system or on a remote logging server. A successful exploit could allow the attacker to view sensitive authentication credentials, which could lead to further compromise of network infrastructure and connected services.
CVE-2026-20289
Média · 6.5
CWE-532 05/08/2026
Cisco RoomOS Logging Subsystem Information Disclosure Vulnerability
A vulnerability in the logging subsystem of Cisco RoomOS could allow an authenticated, local attacker with low privileges to access sensitive information.
This vulnerability is due to the logging of sensitive information. An attacker could exploit this vulnerability by enabling a specific logging level and then collecting the system logs. A successful exploit could allow the attacker to view sensitive information like user login credentials.
CVE-2026-20288
Média · 6.5
CWE-146 05/08/2026
Cisco IMC Remote Code Execution Vulnerability Remote Code Execution Vulnerability
A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with Admin privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root.
This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by entering crafted inputs to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user.
Cisco has assigned this vulnerability a SIR of High rather than Medium as the score indicates because additional security implications could occur when the attacker becomes root.
CVE-2026-20273
Alta · 8.6
CWE-20 05/08/2026
Cisco IOS XE Software Security Hardening Release
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 a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20273 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.
CVE-2026-20272
Crítica · 9.8
CWE-74 05/08/2026
Cisco IOS XE Software Security Hardening Release
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.
The vulnerabilities tracked by CVE-2026-20272 are related to issues with improper neutralization of special elements that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-74.
CVE-2026-20271
Alta · 8.6
CWE-691 05/08/2026
Cisco IOS XE Software Security Hardening Release
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.
The vulnerabilities tracked by CVE-2026-20271 are related to insufficient control flow management issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-691.
CVE-2026-20270
Alta · 8.6
CWE-682 05/08/2026
Cisco IOS XE Software Security Hardening Release
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.
The vulnerabilities tracked by CVE-2026-20270 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682.