High severity · published Feb 25, 2026
CVE-2026-20133
Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
In wildKEV
7.5
CVSS
31.5%
EPSS
Yes
On KEV
Description
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)31.5% · higher than 98% of CVEs
Exploited in the wildYes
CISA KEVListed Apr 20, 2026
Federal remediation dueApr 23, 2026
Ransomware campaign useNot known
Affected products
Which versions
CC
Cisco Catalyst SD-WAN Manager · Cisco
17.2.6; 17.2.7; 17.2.8; 17.2.9; 17.2.10; 17.2.4; +34 more · source: vendor
CS
Catalyst Sd-wan Manager · Cisco
before 20.9.8.2; 20.10 before 20.12.5.3; 20.13 before 20.15.4.2; 20.16 before 20.18.2.1; 20.12.6 · source: NVD, KEV
In the news
AdvisoryHigh
CISA Adds Eight Known Exploited Vulnerabilities to Catalog
CISA has added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation.  CVE-2023-27351 PaperCut NG/MF Improper Authentication Vulnerability CVE-2024-27199 JetBrains TeamCity Relative Path Traversal Vulnerability CVE-2025-2749 Kentico Xperience Path Traversal Vulnerability CVE-2025-32975 Quest KACE Systems Management Appliance (SMA) Improper Authentication Vulnerability CVE-2025-48700 Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability CVE-2026-20122 Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability CVE-2026-20128 Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability CVE-2026-20133 Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise.  Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the KEV Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. Se...
Apr 20, 2026·CISA Advisories
VulnerabilityMedium
[CISA KEV] CVE-2026-20133: Cisco Catalyst SD-WAN Manager - Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
Cisco Catalyst SD-WAN Manager contains an exposure of sensitive information to an unauthorized actor vulnerability that could allow remote attackers to view sensitive information on affected systems.
CSCatalyst SD-WAN ManagerCVE-2026-20133
Apr 20, 2026·CISA KEV
Affected product
CC
Cisco Catalyst SD-WAN Manager
Cisco
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