CVE-2026-20315

CriticalCVSS 10.0/10Last modified Aug 20, 2026

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload 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-2026-20315 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.

Metrics

CVSS 3.1 10.0/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Aug 19, 2026
Last modified
Aug 20, 2026
NVD status
Awaiting Analysis

Related CVEs from 2026

CVE-2026-203165.3A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attackCVE-2026-2031710.0As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering team has conducted a CVE-2026-203189.6As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering team has conducted a CVE-2026-203197.5As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering team has conducted a CVE-2026-20324.3Malicious scripts that interrupt new tab page loading could cause desynchronization between the address bar and page content, allowing the aCVE-2026-203207.5A vulnerability in the Open Client Interface (OCI) XML Parser of Cisco BroadWorks could allow an unauthenticated, remote attacker to read seCVE-2026-203216.5A vulnerability in the web-based management API for Cisco Application Policy Infrastructure Controller (APIC) could allow an authenticated, CVE-2026-203229.9As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conductCVE-2026-203238.3A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow aCVE-2026-203249.9A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure Firewall Management Center (FMC) Software could allow anCVE-2026-203259.9As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conductCVE-2026-203269.8As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a
CVE-2026-20315: Critical severity, CVSS 10.0 | Vulnix