Improper access control in Cisco NX-OS and Cisco Nexus 9000 Series Switches in ACI Mode - CVE-2021-1583

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Main Vulnerability Database Vulnerabilities #VU56101

Improper access control in Cisco NX-OS and Cisco Nexus 9000 Series Switches in ACI Mode - CVE-2021-1583

Published: August 26, 2021


Vulnerability identifier: #VU56101
CSH Severity: Low
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1583
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the fabric infrastructure file system. A local administrator can bypass implemented security restrictions and read arbitrary files on the target system.


Affected software

Cisco NX-OS
Cisco Nexus 9000 Series Switches in ACI Mode

How to mitigate CVE-2021-1583

Install updates from vendor's website.

Cisco Nexus 9000 Series Switches in ACI Mode - addressed in versions 13.2.10f, 14.2.7l, 15.2.2f

External References

Related Security Bulletins