VULNERABILITY INTELLIGENCE
CVE-2026-20231
CVSS score9.9 CRITICAL
EPSS probability0.53%
CISA KEVNot currently listed
Published2026-08-19
Last modified2026-08-20
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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-2026-20231 are related to improper neutralization of special elements issues that are grouped under the Common Weakness Enumeration (CWE) CWE-74.
Weakness classification
- CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')