CVE-2026-20317: critical vulnerability in Cisco Secure Workload
Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Authentication Vulnerabilities
Published · Updated
28Vexday Risk Score
No sign of exploitation. It has an official Brazilian government alert.
ssvc Trackcvss 10epss 0.6%
exploitation probability
0.6%top 54% of all CVEs
observed exploitation
nono source reports it
Official alert in Brazil
Brazil's federal government published an alert, recommendation or bulletin that cites this vulnerability.
- CTIR Gov · ALERTA 75/2026 · 26 Aug 2026Vulnerabilidade crítica que afeta os produtos da Cisco e da Citrixread on gov.br ↗
- CISC Gov.br · 25 Aug 2026Boletim do CISC de Vulnerabilidadesread on gov.br ↗
Source: CTIR Gov (GSI) and CISC Gov.br, under the CC BY-ND 3.0 license.
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-2026-20317 are related to improper authentication issues that are grouped under the Common Weakness Enumeration (CWE) CWE-287.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
Affected products
Cisco · Cisco Secure WorkloadRelated CVEs — Cisco Secure Workload
In the same product, most dangerous first.
CVE-2022-20652MEDIUMCisco Tetration Command Injection VulnerabilityEPSS 1.3%CVE-2026-20223CRITICALCisco Secure Workload Unauthorized API Access VulnerabilityEPSS 0.8%CVE-2021-34789MEDIUMCisco Tetration Stored Cross-Site Scripting VulnerabilityEPSS 0.6%CVE-2026-20231CRITICALCisco Secure Workload Software Security Hardening Release August 2026 - Improper Neutralization of Special Elements VulnerabilitiesEPSS 0.5%CVE-2023-20136MEDIUMCVE-2023-20136EPSS 0.5%CVE-2026-20315CRITICALCisco Secure Workload Software Security Hardening Release August 2026 - Improper Access Control VulnerabilitiesEPSS 0.5%