CVE-2021-1583 Cisco Nexus 9000 Series Fabric Switches ACI Mode Arbitrary File Read Vulnerability

What is CVE-2021-1583?

CVE-2021-1583 is a medium-severity vulnerability in Cisco Nx-Os, published on 25 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the fabric infrastructure file system access control of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an authenticated, local attacker to read arbitrary files on an affected system. This vulnerability is due to improper access control. An attacker with Administrator privileges could exploit this vulnerability by executing a specific vulnerable command on an affected device. A successful exploit could allow the attacker to read arbitrary files on the file system of the affected device.

Weakness: CWE-284

Which versions are affected by CVE-2021-1583?

It affects 1 product.

Products include Cisco Nx-Os.

How do I fix CVE-2021-1583?

No fix has been published for CVE-2021-1583 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1583 being exploited?

There is no known exploitation of CVE-2021-1583 in the wild and no public exploit code.

Other vulnerabilities in Cisco Nx-Os

• CVE-2024-20399 Cisco NX-OS Command Injection Exploited Medium 6.0
• CVE-2021-1361 Cisco NX-OS Software Unauthenticated Arbitrary File Actions Vulnerability Critical 9.8
• CVE-2018-0301 Memory corruption in Cisco NX-OS unknown Critical 9.8
• CVE-2016-1453 Memory corruption in n/a Critical 9.8
• CVE-2016-1341 Hardcoded credentials in n/a Critical 9.8

All Cisco Nx-Os vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-xmrj-c495-vfvx.