by Kastro
Paper/Archive/CVE-2026-20223

CVE-2026-20223

Cisco Cisco Secure Workload — Cisco Secure Workload Unauthorized API Access Vulnerability

EPSS 0.8%CVSS 10.0
critical.is priorityof 100
42
CVSS 10.0 (CNA, NVD agree)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 57.7.577 × 2011.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A vulnerability in the access validation of internal REST APIs of Cisco Secure Workload could allow an unauthenticated, remote attacker to access site resources with the privileges of the Site Admin role. This vulnerability is due to insufficient validation and authentication when accessing REST API endpoints. An attacker could exploit this vulnerability if they are able to send a crafted API request to an affected endpoint. A successful exploit could allow the attacker to read sensitive information and make configuration changes across tenant boundaries with the privileges of the Site Admin user. 

Affected

ProductAffectedFixed inSource
Cisco Secure Workload2.2.1.41–CNA
Cisco Secure Workload3.2.1.18–CNA
Cisco Secure Workload3.3.2.50–CNA
Cisco Secure Workload3.4.1.28–CNA
Cisco Secure Workload3.4.1.34–CNA
Cisco Secure Workload2.3.1.45–CNA
Cisco Secure Workload2.3.1.41–CNA
Cisco Secure Workload3.3.2.28–CNA
Cisco Secure Workload3.1.1.59–CNA
Cisco Secure Workload2.0.2.20–CNA
Cisco Secure Workload2.1.1.33–CNA
Cisco Secure Workload2.1.1.29–CNA

Scores by source

cisco (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csw-pnbsa-g8WEnuy