KEV Intelligence

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2026-20133

Cisco Catalyst SD-WAN Manager

Cisco / Cisco Catalyst SD-WAN Manager · 17.2.6

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Severity
CVSS 6.5 · Medium
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
31.4%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-20133 is a vulnerability affecting Cisco Cisco Catalyst SD-WAN Manager. A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Cisco / Cisco Catalyst SD-WAN Manager 17.2.6.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Cisco Catalyst SD-WAN Manager

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.

Vendor Product Affected Status
Cisco Cisco Catalyst SD-WAN Manager 20.3.4.2 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.3.5 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.3.6 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.3.7 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.3.7.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.3.4.3 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.3.5.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.3.7.2 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.3.8 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.4.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.4.1.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.4.1.2 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.4.2 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.4.2.2 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.4.2.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.4.2.3 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.5.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.5.1.2 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.5.1.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.6.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.6.1.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.6.2.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.6.2.2 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.6.2 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.6.3 Affected
Published
25 Feb 2026
Exploitation Reported
01 Jun 2026
Attack vector
Remote
Complexity
Low
Privileges
Low
User interaction
None

Tags

cisa edge

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2026-20133
  • cisco-sa-sdwan-authbp-qwCX8D4v sec.cloudapps.cisco.com · CVE Record https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurity...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 01 Jun 2026

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CVE First 2026-06-01 13:22 UTC
CISA 2026-06-02 14:01 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

31.4%

Weaknesses

Exposure of Sensitive Information to an Unauthorized Actor CWE-200

Timeline

From disclosure to observed exploitation

  1. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  2. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  3. CVE published

    Vulnerability disclosed publicly

  4. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-20133

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2026-20133",
  "confidence": "Confirmed",
  "cvss_score": 6.5,
  "cvss_estimated": false,
  "epss_score": 0.31353,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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