PT-2021-5277 · Cisco · Cisco Nexus 9000 Series Fabric Switches

Adrien Peter + 2 · Published 2021-08-25 · Updated 2022-10-21 · CVE-2021-1583

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode (affected versions not specified)

Description A vulnerability in the fabric infrastructure file system access control could allow an authenticated, local attacker to read arbitrary files on an affected system. This issue is due to improper access control. An attacker with Administrator privileges could exploit this by executing a specific vulnerable command on an affected device, allowing them to read arbitrary files on the file system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Incorrect Authorization

Weakness Enumeration

CWE-284

CWE-863

Related Identifiers

BDU:2021-06103

CVE-2021-1583

Affected Products

Cisco Nexus 9000 Series Fabric Switches

References · 6

• https://osv.dev/vulnerability/CVE-2021-1583 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-naci-afr-UtjfO2D7 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1583 · Security Note
• https://bdu.fstec.ru/vul/2021-06103 · Security Note
• https://t.me/cvenotify/20606 · Telegram Post
• https://t.me/cvenotify/20106 · Telegram Post