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CVE-2026-20133: Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability

Cisco Catalyst SD-WAN Manager · in CISA KEV since 2026-04-20

2026-04-20added to KEV

2026-04-23federal remediation due date

31.35%EPSS exploit probability (30 days) 98.2th percentile

7.5 HIGHCVSS 3.1

Unknownknown ransomware use

54days from NVD publication to KEV

What it is

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.

Required action (CISA)

Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

CWE	CWE-200
CVSS vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`
NVD published	2026-02-25 (Analyzed)

Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-20133.json · all KEV CVEs

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