KEV Intelligence

Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2020-26073

Cisco SD-WAN vManage Directory Traversal Vulnerability

Cisco / Cisco Catalyst SD-WAN Manager · 20.1.12

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Severity
CVSS 7.5 · High
Confidence
High
Exploit status
Exploited in the wild
EPSS
12.1%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2020-26073 is an unauthenticated Cisco SD-WAN vManage Directory Traversal Vulnerability. A vulnerability in the application data endpoints of Cisco SD-WAN vManage Software could allow an unauthenticated, remote...

Is it exploited?

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

Who is affected?

Cisco / Cisco Catalyst SD-WAN Manager 20.1.12.

What should we do?

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

Overview

Cisco SD-WAN vManage Directory Traversal Vulnerability

A vulnerability in the application data endpoints of Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of directory traversal character sequences within requests to application programmatic interfaces (APIs). An attacker could exploit this vulnerability by sending malicious requests to an API within the affected application.

A successful exploit could allow the attacker to conduct directory traversal attacks and gain access to sensitive information including credentials or user tokens.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Vendor Product Affected Status
Cisco Cisco Catalyst SD-WAN Manager 17.2.6 Affected
Cisco Cisco Catalyst SD-WAN Manager 17.2.9 Affected
Cisco Cisco Catalyst SD-WAN Manager 18.3.4 Affected
Cisco Cisco Catalyst SD-WAN Manager 17.2.5 Affected
Cisco Cisco Catalyst SD-WAN Manager 18.3.1.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 18.3.5 Affected
Cisco Cisco Catalyst SD-WAN Manager 18.4.0.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 18.3.3 Affected
Cisco Cisco Catalyst SD-WAN Manager 17.2.7 Affected
Cisco Cisco Catalyst SD-WAN Manager 17.2.4 Affected
Cisco Cisco Catalyst SD-WAN Manager 18.3.0 Affected
Cisco Cisco Catalyst SD-WAN Manager 19.2.3 Affected
Cisco Cisco Catalyst SD-WAN Manager 18.4.501_ES Affected
Cisco Cisco Catalyst SD-WAN Manager 20.3.1 Affected
Cisco Cisco Catalyst SD-WAN Manager 20.1.2 Affected
Cisco Cisco Catalyst SD-WAN Manager 19.2.929 Affected
Cisco Cisco Catalyst SD-WAN Manager 19.2.31 Affected
Published
18 Nov 2024
Exploitation Reported
24 Jul 2025
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

nuclei_scanner

CVE References

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

The Shadowserver

Recorded 24 Jul 2025

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

Nuclei Templates

Recorded 12 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

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
The Shadowserver First 2025-07-24 00:00 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.

Virtual patch status

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

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-26073.yaml 25 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/RL:X/RC:X/E:X

EPSS

12.1%

Weaknesses

Path Traversal: '.../...//' CWE-35

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Cisco SD-WAN vManage Software - Local File Inclusion

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

  1. Public PoC available

    Public proof-of-concept code published

  2. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  3. Nuclei template available

    Scanner coverage available

  4. CVE published

    Vulnerability disclosed publicly

  5. 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-2020-26073

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2020-26073",
  "confidence": "High",
  "cvss_score": 7.5,
  "cvss_estimated": false,
  "epss_score": 0.12062,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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