Review reviewHigh

CVE-2026-20191

Cisco Cisco Catalyst Center

A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container.  This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to read arbitrary files from a restricted container of the affected device.

CVSS: 7.5
EPSS: 0.92%
CISA KEV: Not listed
Published: 2026.07.02

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.92%

Technical severityCVSS 7.5

Vulnerability overview

Affected product and versions

Product: Cisco Cisco Catalyst Center
Affected versions: 2.3.7.0-VA, 2.3.7.5-VA, 2.3.7.6-VA, 2.3.7.7-VA, 2.3.7.9-VA, 3.1.3, 3.1.3-VA, 2.3.7.10-VA, 3.1.5, 3.1.5-VA, 3.1.5-VA on AWS, 3.1.5-RevUp, 3.1.6, 3.1.6-VA, 3.1.6-BETA, 3.1.6-GSMU100, 3.1.6-VA-GSMU100
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Cisco Cisco Catalyst Center and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE: CWE-22