CVE-2026-20289

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.

CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Cisco Roomos Software Roomos Roomos Cloud

CVE-2026-20313

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.

CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Catalyst Sd-wan Manager Cisco Catalyst Sd-wan Controller

CVE-2026-20312

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.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Catalyst Sd-wan Manager Cisco Catalyst Sd-wan Controller

CVE-2026-20310

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.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Catalyst Sd-wan Manager Cisco Catalyst Sd-wan Controller

CVE-2026-20304

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.

CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Catalyst Sd-wan Manager Cisco Catalyst Sd-wan Controller

CVE-2026-20303

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.

CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Catalyst Sd-wan Manager Cisco Catalyst Sd-wan Controller

CVE-2026-20272

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.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Ios Xe Ios Xe Software

CVE-2026-20271

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. &nbsp;

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Ios Xe Ios Xe Software

CVE-2026-20270

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.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Ios Xe Ios Xe Software

CVE-2026-20269

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-2026-20269 are related to issues with improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Ios Xe Ios Xe Software

CVE-2026-20268

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-2026-20268 are related to issues with improper restriction of operations within the bounds of a memory buffer that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-119.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Ios Xe Ios Xe Software

CVE-2026-20187

Cisco RoomOS Security Hardening Release - Exceptional Conditions Handling Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS 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-2026-20187 are related to improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Cisco Roomos Software Roomos Roomos Cloud

CVE-2026-20158

Cisco RoomOS Security Hardening Release - Resource Lifetime Management Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS 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-2026-20158 are related to improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Roomos Roomos Cloud Roomos Software

CVE-2026-20157

Cisco RoomOS Security Hardening Release - Missing Encryption Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS 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-2026-20157 are related to missing encryption that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-311.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Cisco Roomos Software Roomos Roomos Cloud

CVE-2026-20156

Cisco RoomOS Security Hardening Release - Buffer Management Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS 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-2026-20156 are related to improper restriction of operations within the bounds of a memory buffer that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-119.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Cisco Roomos Software Roomos Roomos Cloud

CVE-2026-20153

Cisco RoomOS Security Hardening Release - Input Validation Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS 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-2026-20153 are related to improper input validation that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Cisco Roomos Software Roomos Roomos Cloud

CVE-2026-20150

Cisco RoomOS Security Hardening Release - Access Control Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS 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-2026-20150 are related to improper access control&nbsp;that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Cisco

Products

Cisco Roomos Software Roomos Roomos Cloud

CVE-2026-20349

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service 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.&nbsp; 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.

CVSS 3.1 · 8.6 High EPSS 1.0% KEV · Listed

Vendors

Cisco

Products

Adaptive Security Appliance Software Secure Firewall Threat Defense

CVE-2020-3578

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Portal Access Rule Bypass Vulnerability

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass a configured access rule and access parts of the WebVPN portal that are supposed to be blocked. The vulnerability is due to insufficient validation of URLs when portal access rules are configured. An attacker could exploit this vulnerability by accessing certain URLs on the affected device.

CVSS 3.1 · 5.3 Medium EPSS 1.2% KEV · Not listed

Vendors

Cisco

Products

Adaptive Security Appliance Software Firepower Threat Defense Secure Firewall Threat Defense

CVE-2020-3580

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Interface Cross-Site Scripting Vulnerabilities

Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the web services interface of an affected device. The vulnerabilities are due to insufficient validation of user-supplied input by the web services interface of an affected device. An attacker could exploit these vulnerabilities by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive, browser-based information. Note: These vulnerabilities affect only specific AnyConnect and WebVPN configurations. For more information, see the Vulnerable Products section.

CVSS 3.1 · 6.1 Medium EPSS 85.6% KEV · Listed

Vendors

Cisco

Products

Adaptive Security Appliance Software Secure Firewall Threat Defense