What is the CVSS score of CVE-2026-20133?

CVE-2026-20133 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Cisco are affected by CVE-2026-20133?

CVE-2026-20133 presents notable security risk, a information exposure vulnerability rated CVSS 6.5. Sensitive information could be exposed to unauthorized parties.

Is there a public PoC exploit available for CVE-2026-20133?

Yes, a public proof-of-concept exploit is available for CVE-2026-20133. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-20133?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.

Cisco CVE-2026-20133

MEDIUM

Information Exposure (CWE-200)

2026-02-25 psirt@cisco.com

Information Disclosure Cisco

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Added to CISA KEV

Apr 20, 2026 - 19:31 CISA

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 25, 2026 - 17:25 nvd

MEDIUM 6.5

DescriptionCVE.org

A vulnerability in Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to view sensitive information on an affected system.

This vulnerability is due to insufficient file system access restrictions. An attacker could exploit this vulnerability by accessing the API of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.

AnalysisAI

Insufficient filesystem access controls in Cisco Catalyst SD-WAN Manager expose sensitive operating system information to authenticated remote attackers through API access. An attacker with valid credentials can exploit this vulnerability to read confidential data from the underlying system without requiring user interaction. No patch is currently available for this medium-severity information disclosure vulnerability.

Technical ContextAI

Classified as CWE-200 (Information Exposure). Affects Catalyst Sd-Wan Manager. A vulnerability in Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to view sensitive information on an affected system.