high
8.1
CWE
352
Advisory Published
Updated

CVE-2021-1227: Cisco NX-OS Software NX-API Cross-Site Request Forgery Vulnerability

First published: Wed Feb 24 2021(Updated: )

A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the NX-API on an affected device. An attacker could exploit this vulnerability by persuading a user of the NX-API to follow a malicious link. A successful exploit could allow the attacker to perform arbitrary actions with the privilege level of the affected user. The attacker could view and modify the device configuration. Note: The NX-API feature is disabled by default.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Nx-os=8.4\(2a\)
Cisco Nx-os=8.4\(3\)
Cisco Nx-os=8.4\(3\)s19
Cisco Mds 9148s
Cisco Mds 9250i
Cisco Mds 9706
Cisco Mds 9710
Cisco Nexus 7000
Cisco Nexus 7700
Cisco Nx-os=9.3\(3\)idi9\(0.569\)
Cisco Nexus 3048
Cisco Nexus 31108pv-v
Cisco Nexus 31108tc-v
Cisco Nexus 31128pq
Cisco Nexus 3132c-z
Cisco Nexus 3132q-v
Cisco Nexus 3132q-x
Cisco Nexus 3132q-xl
Cisco Nexus 3164q
Cisco Nexus 3172pq
Cisco Nexus 3172pq-xl
Cisco Nexus 3232c
Cisco Nexus 3264c-e
Cisco Nexus 3264q
Cisco Nexus 3408-s
Cisco Nexus 34180yc
Cisco Nexus 3432d-s
Cisco Nexus 3464c
Cisco Nexus 3524-x
Cisco Nexus 3524-xl
Cisco Nexus 3548-x
Cisco Nexus 3548-xl
Cisco Nexus 36180yc-r
Cisco Nexus 3636c-r
Cisco Nexus 9200
Cisco Nexus 9300
Cisco Nexus 9500
Cisco Nx-os=7.3\(8\)n1\(0.809\)
Cisco Nexus 5548p
Cisco Nexus 5548up
Cisco Nexus 5596t
Cisco Nexus 5596up
Cisco Nexus 56128p
Cisco Nexus 5624q
Cisco Nexus 5648q
Cisco Nexus 5672up
Cisco Nexus 5672up-16g
Cisco Nexus 5696q
Cisco Nexus 6001
Cisco Nexus 6004

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-1227?

    CVE-2021-1227 is a vulnerability in the NX-API feature of Cisco NX-OS Software that could allow an unauthenticated remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system.

  • What is the severity of CVE-2021-1227?

    The severity of CVE-2021-1227 is high, with a severity score of 8.1.

  • Which software versions are affected by CVE-2021-1227?

    Cisco NX-OS Software versions 8.4(2a), 8.4(3), and 8.4(3)s19 are affected by CVE-2021-1227.

  • How can an attacker exploit CVE-2021-1227?

    An attacker can exploit CVE-2021-1227 by conducting a cross-site request forgery (CSRF) attack on an affected system.

  • Where can I find more information about CVE-2021-1227?

    You can find more information about CVE-2021-1227 on the Cisco Security Advisory website.

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