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CVE-2026-20042

Cisco Nexus Dashboard Configuration REST API Unauthorized Access Vulnerability

CVSS 6.5 MEDIUMEPSS 0.3%CWE-295
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6.5EPSS 0.3%KEV nãoPoC Nuclei Metasploit Patch
Lifecycle
01 Apr 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability in the configuration backup feature of Cisco Nexus Dashboard could allow an attacker who has the encryption password and access to Full or Config-only backup files to access sensitive information. This vulnerability exists because authentication details are included in the encrypted backup files. An attacker with a valid backup file and encryption password from an affected device could decrypt the backup file. The attacker could then use the authentication details in the backup file to access internal-only APIs on the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

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