Vulnerability · Published Aug 25, 2021 · Assigned by cisco

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

Medium 4.4

In plain English

A medium-severity improper access control in Cisco NX-OS System Software in ACI Mode from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium

Exploit odds (30 days)0.2%top 87.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco NX-OS System Software in ACI Mode	n/a

Weakness: CWE-284 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

20210825 Cisco Nexus 9000 Series Fabric Switches ACI Mode Arbitrary File Read Vulnerability vendor-advisory, x_refsource_CISCO