CVE-2026-20133
Exposure of Sensitive Information to an Unauthorized Actor
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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.
Official description from the CVE record, published by cisco. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 Medium 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: Low
A basic user account is needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: None
No effect on the trustworthiness of data.
Availability impact: None
No effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | Low | A basic user account is needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | None | No effect on the trustworthiness of data. |
| Availability impact | None | No effect on availability. |
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EPSS
- Score
- 0.35290 (35.3% probability)
- Percentile
- 98.5%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
- Added to the catalog
- Apr 20, 2026
- Federal due date
- Apr 23, 2026
CISA assessment as of Apr 22, 2026
- Exploitation
- Recorded by CISA as active
- Automatable
- no
- Technical impact
- partial
Weakness (CWE)
- CWE-200Exposure of Sensitive Information to an Unauthorized Actor
Affected products
Cisco Catalyst SD-WAN Manager
- affected: 17.2.6
- affected: 17.2.7
- affected: 17.2.8
- affected: 17.2.9
- affected: 17.2.10
- affected: 17.2.4
- affected: 17.2.5
- affected: 18.3.1.1
- affected: 18.3.3.1
- affected: 18.3.3
- affected: 18.3.4
- affected: 18.3.5
- affected: 18.3.7
- affected: 18.3.8
- affected: 18.3.6.1
- affected: 18.3.1
- affected: 18.3.0
- affected: 18.4.0.1
- affected: 18.4.3
- affected: 18.4.302
- affected: 18.4.303
- affected: 18.4.4
- affected: 18.4.5
- affected: 18.4.0
- affected: 18.4.1
- and 136 more
References
- cisco-sa-sdwan-authbp-qwCX8D4v (sec.cloudapps.cisco.com)
Timeline
- ID reserved
- Record published
- Added to CISA KEV
- Record last updated
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About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:11 UTC. Sources and licenses