These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.
A Cisco Nexus Dashboard vulnerability tracked as CVE-2026-20322 relates to improper access control issues. The vulnerability has a CVSS score of 9.9 and is considered critical. Cisco conducted an internal security review and released a software hardening update addressing this and other internally discovered vulnerabilities. This update aims to enhance the security posture of Cisco Nexus Dashboard deploym [truncated]
A Cisco internal security review led to a software hardening release addressing multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC). CVE-2026-20192 relates to improper access control issues (CWE-284) with a CVSS score of 10 and critical severity. This vulnerability allows for potential unauthorized access, emphasizing the need for defenders t [truncated]
A Cisco internal security review led to a software hardening release addressing multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC). CVE-2026-20130 relates to improper neutralization of special elements issues (CWE-74). The vulnerability has a critical CVSS score of 10 and requires verification of exposure and potential updates to mitigate im [truncated]
A comprehensive internal security review by Cisco's engineering team led to a software hardening release addressing multiple internally discovered vulnerabilities, including CVE-2026-20331, related to protection mechanism failures grouped under CWE-693. This vulnerability affects Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software, and Cisco Secure Firewall Man [truncated]
Cisco Secure Email Gateway contains a SQL injection vulnerability, which is a critical vulnerability that allows attackers to inject malicious SQL code. This vulnerability has a high impact on the confidentiality, integrity, and availability of the affected system. Defenders should assess exposure and apply mitigations according to vendor instructions. The vulnerability is listed in the CISA Known Exploit [truncated]
A critical vulnerability in Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system. This vulnerability is due to an improper system process created at boot time. An attacker could exploit this vulnerability by sending crafted HTTP [truncated]
A vulnerability in the Unified Extensible Firmware Interface (UEFI) Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access to an affected device to bypass UEFI Secure Boot validation checks and execute unauthorized software.
CVE-2026-20278 is a HIGH severity vulnerability in Cisco IOS XR Software, with a CVSS score of 8.8. The vulnerability is related to improper neutralization issues grouped under CWE-707. Cisco has conducted an internal security review and released software hardening updates to address this vulnerability. Affected product deployments should be verified for exposure, and patches or workarounds should be appl [truncated]
CVE-2026-20277 is a high-severity vulnerability in Cisco IOS XR Software related to protection mechanism failure issues, grouped under CWE-693. Defenders should assess exposure, prioritize remediation, and verify patch deployment. The vulnerability was discovered during an internal security review by Cisco's IOS XR Software engineering team. It has a CVSS score of 8.2 and is classified as HIGH severity. A [truncated]
A Cisco IOS XR Software vulnerability, CVE-2026-20276, was found during an internal security review. It relates to insufficient control flow management, classified under CWE-691. The CVSS score is 8.6, indicating high severity. This vulnerability was discovered by Cisco's IOS XR Software engineering team as part of a comprehensive internal security review, leading to software hardening releases that addre [truncated]
A Cisco IOS XR Software vulnerability, CVE-2026-20275, with a CVSS score of 8.8 was disclosed. It relates to incorrect calculation issues grouped under CWE-682. The vendor, Cisco, has provided security advisories for affected products. This vulnerability requires verification of exposure and review of Cisco's security advisories for remediation guidance, focusing on affected product deployments and potent [truncated]
CVE-2026-20274 is a critical vulnerability in Cisco IOS XR Software, with a CVSS score of 9.8, related to improper resource control issues grouped under CWE-664. Cisco has released software hardening releases to address this vulnerability. The vulnerability was discovered through an internal security review by Cisco's IOS XR Software engineering team. Affected systems require verification of exposure and [truncated]
A vulnerability in the Silicon One integration for Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute code with root privileges. This vulnerability exists because TCP ports 43210 and 43211 are accessible in the default Layer 3 (L3) virtual routing and forwarding (VRF). A successful exploit could allow the attacker to connect to an affected device and send crafted i [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-19T17:18:40.697Z and has not been modified since then. This vulnerability, CVE-2026-20357, relates to missing authentication for critical function issues in Cisco Crosswork products, tracked under CWE-306 with a CVSS score of 10. It is crucial for organizations using Cisco Crosswork products to veri [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-07T17:17:03.537Z and has not been modified since then. The 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 d [truncated]
CVE-2026-20313 is related to Improper link resolution before file access issues in Cisco SD-WAN, classified under CWE-1284 with a CVSS score of 7.7. This vulnerability could potentially allow attackers to access sensitive files or directories. Cisco has addressed this issue through software hardening releases. The CVE record was published on 2026-08-05T17:16:52.437Z and has not been modified since then. C [truncated]
CVE-2026-20304 is a critical vulnerability in Cisco Catalyst SD-WAN due to improper access control, tracked under CWE-284 with a CVSS score of 9.9. The vulnerability was discovered during an internal security review by Cisco, leading to a software hardening release. This vulnerability affects Cisco SD-WAN deployments, potentially allowing attackers to exploit the system. Cisco SD-WAN customers and adminis [truncated]
CVE-2026-20303 is a critical vulnerability in Cisco SD-WAN due to improper input validation, classified under CWE-20. It has a CVSS score of 9.9. Cisco conducted an internal security review, leading to software hardening releases. Affected Cisco SD-WAN customers and administrators should be aware of this critical vulnerability and take immediate action to patch their systems. The vulnerability's critical [truncated]
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 send [truncated]
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 b [truncated]
The CVE-2026-20289 vulnerability affects Cisco RoomOS, specifically its logging subsystem, which could allow an authenticated, local attacker with low privileges to access sensitive information. This type of vulnerability typically arises from the logging of sensitive information. Exploitation could occur by enabling a specific logging level and collecting system logs, potentially allowing an attacker to [truncated]
The CVE-2026-20288 vulnerability exists in the web-based management interface of Cisco IMC due to improper validation of user-supplied input. An authenticated, remote attacker with Admin privileges could exploit this vulnerability to execute arbitrary commands on the underlying operating system as the root user. This could allow the attacker to elevate privileges to root. The vulnerability has a CVSS scor [truncated]
The CVE-2026-20273 vulnerability is related to improper input validation issues in Cisco IOS XE Software, classified under CWE-20. Cisco conducted an internal security review, leading to a software hardening release addressing multiple vulnerabilities. Affected product context requires defensive impact assessment and source-grounded technical framing without unsupported root-cause or exploit claims. Cisco [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-05T17:16:49.053Z and has not been modified since then. The vulnerability tracked by CVE-2026-20272 is related to issues with improper neutralization of special elements that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-74. Cisco IOS XE Software users and administrators should b [truncated]
CVE-2026-20271 is related to insufficient control flow management issues in Cisco IOS XE Software, grouped under CWE-691. Cisco conducted an internal security review leading to software hardening releases addressing this vulnerability. Affected product deployments should be reviewed for potential exposure. Cisco IOS XE Software users and administrators should be aware of this vulnerability and take steps [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-05T17:16:48.340Z and has not been modified since then. CVE-2026-20270 addresses incorrect calculation issues in Cisco IOS XE Software, categorized under CWE-682. The vulnerability has a CVSS score of 8.6 and HIGH severity. Cisco's internal security review led to software hardening releases to addres [truncated]
CVE-2026-20269 is related to issues with improper control of a resource through its lifetime in Cisco IOS XE Software, grouped under CWE-664. Cisco conducted an internal security review leading to software hardening releases addressing multiple internally discovered vulnerabilities. The vulnerability affects Cisco IOS XE Software users, who should prioritize patching to address potential improper control [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-05T17:16:47.830Z and has not been modified since then. The vulnerability tracked by CVE-2026-20268 relates to improper restriction of operations within the bounds of a memory buffer, classified under CWE-119. This vulnerability was discovered during an internal security review by Cisco, leading to s [truncated]
CVE-2026-20267 is a critical vulnerability in Cisco IOS XE Software caused by improper access control, leading to potential unauthorized access and malicious activity. It has a CVSS score of 9 and is categorized under CWE-284. The vulnerability was discovered during a comprehensive internal security review by Cisco's IOS XE Software engineering team. Users are advised to apply patches or updates provided [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-05T17:16:47.310Z and has not been modified since then. CVE-2026-20263 is a vulnerability in the Blocks Extensible Exchange Protocol (BEEP) feature of Cisco IOS XE Software. It allows an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device due to imprope [truncated]