Vulnerability Intelligence Report
Cisco Secure Workload Unauthorized API Access Vulnerability
CVE-2026-20223
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.
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
Exploitability:3.9
Impact Score:6.1
EPSS Probability:0.90%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-306 ↗Missing Authentication for Critical Function
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Cisco | Cisco Secure Workload | 2.2.1.41 (affected), 3.2.1.18 (affected), 3.3.2.50 (affected), 3.4.1.28 (affected), 3.4.1.34 (affected), 2.3.1.45 (affected), 2.3.1.41 (affected), 3.3.2.28 (affected), 3.1.1.59 (affected), 2.0.2.20 (affected), 2.1.1.33 (affected), 2.1.1.29 (affected), 3.2.1.28 (affected), 3.4.1.35 (affected), 3.1.1.65 (affected), 3.1.1.67 (affected), 2.0.1.34 (affected), 2.3.1.49 (affected), 2.2.1.39 (affected), 3.4.1.19 (affected), 3.3.2.23 (affected), 3.1.1.61 (affected), 3.1.1.54 (affected), 3.5.1.17 (affected), 3.3.2.33 (affected), 3.5.1.1 (affected), 2.3.1.53 (affected), 3.5.1.20 (affected), 3.5.1.30 (affected), 3.3.2.16 (affected), 3.1.1.55 (affected), 3.4.1.6 (affected), 2.3.1.50 (affected), 2.3.1.52 (affected), 3.2.1.19 (affected), 2.2.1.35 (affected), 3.1.1.53 (affected), 3.1.1.70 (affected), 3.2.1.20 (affected), 3.5.1.2 (affected), 1.103.1.12 (affected), 2.3.1.51 (affected), 3.3.2.42 (affected), 3.4.1.1 (affected), 3.3.2.12 (affected), 2.1.1.31 (affected), 3.5.1.23 (affected), 3.3.2.53 (affected), 3.4.1.14 (affected), 3.3.2.2 (affected), 3.4.1.20 (affected), 3.3.2.35 (affected), 2.2.1.34 (affected), 1.102.21 (affected), 3.3.2.5 (affected), 3.5.1.31 (affected), 3.6.1.5 (affected), 3.2.1.31 (affected), 3.5.1.37 (affected), 3.4.1.40 (affected), 3.6.1.17 (affected), 3.6.1.21 (affected), 3.2.1.32 (affected), 3.2.1.33 (affected), 3.6.1.35 (affected), 3.6.1.36 (affected), 3.7.1.5 (affected), 3.6.1.47 (affected), 3.7.1.22 (affected), 3.6.1.52 (affected), 3.7.1.39 (affected), 3.8.1.1 (affected), 3.7.1.51 (affected), 3.8.1.19 (affected), 3.8.1.36 (affected), 3.7.1.59 (affected), 3.8.1.39 (affected), 3.9.1.1 (affected), 3.9.1.10 (affected), 3.9.1.24 (affected), 3.9.1.25 (affected), 3.9.1.28 (affected), 3.9.1.38 (affected), 3.8.1.53 (affected), 3.9.1.52 (affected), 3.10.1.1 (affected), 3.9.1.64 (affected), 3.10.2.11 (affected), 3.9.1.66 (affected), 3.10.3.19 (affected), 3.9.1.69 (affected), 3.10.4.8 (affected), 3.10.5.6 (affected), 4.0.1.1 (affected), 4.0.2.4 (affected), 4.0.2.5 (affected), 3.10.6.3 (affected), 3.10.7.4 (affected), 4.0.3.13 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.895%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Cisco Systems, Inc. · Hosted Service · USA |
| Reserved | 2025-10-08T11:59:15 |
| Published | 2026-05-20T16:06:30 |
| Last Updated | 2026-05-21T03:55:37 |
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