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CVE-2026-20223CriticalConfirmedExploit available

A vulnerability in the access validation of internal REST APIs of Cisco Secure Workload could allow an unauthenticated, remote attacke…

CVSS
10.0
Critical
EPSS
0.00
p20
Published
2026-01-01
Updated
2026-01-01
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. 

Tags · CWE
Pre-auth
CWE-306
CAPEC-12
CAPEC-36
CAPEC-62
CAPEC-166
CAPEC-216
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Timeline
2026-01-01
Published
2026-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: C
Changed (C)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.001 · p20
Known exploited (KEV)
No
Known exploits — Сканер-ВС
CVE-2026-20223
github-poc · https://github.com/HORKimhab/CVE-2026-20223
Enterprise
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