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CVE-2026-20223— Cisco Secure Workload Unauthorized API Access Vulnerability

Quick assessment

Affected
Cisco Cisco Secure Workload
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Secure Workload是美国思科（Cisco）公司的一种允许用户在其应用程序工作负载上安装软件代理的软件。 Cisco Secure Workload存在访问控制错误漏洞，该漏洞源于内部REST API的访问验证不足，可能导致未经身份验证的远程攻击者以Site Admin角色权限访问站点资源。

CVSS 10.0 · Critical EPSS 0.83% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 99

VendorProduct Version RangeStatus
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
… +91 more rows
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I. Basic Information for CVE-2026-20223

Vulnerability Information
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Vulnerability Title
Cisco Secure Workload Unauthorized API Access Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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. 
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Secure Workload 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Secure Workload是美国思科（Cisco）公司的一种允许用户在其应用程序工作负载上安装软件代理的软件。 Cisco Secure Workload存在访问控制错误漏洞，该漏洞源于内部REST API的访问验证不足，可能导致未经身份验证的远程攻击者以Site Admin角色权限访问站点资源。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Secure Workload 2.2.1.41 -

II. Public POCs for CVE-2026-20223

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III. Intelligence Information for CVE-2026-20223

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Vendor Advisories for CVE-2026-20223 (1)

Same Patch Batch · Cisco · 2026-05-20 · 4 CVEs total

CVE-2026-20171 6.8 MEDIUM Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Denial of Service Vulnerability
CVE-2026-20206 6.3 MEDIUM Cisco ThousandEyes BrowserBot Command Injection Vulnerability
CVE-2026-20199 4.7 MEDIUM Cisco ThousandEyes Virtual Appliance 注入漏洞

IV. Related Vulnerabilities

Same product: Cisco Secure Workload
Same vendor: Cisco
Same weakness: CWE-306

V. Comments for CVE-2026-20223

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