How does CVE-2021-1388 affect Cisco ACI Multi-Site Orchestrator?

CVE-2021-1388 affects Cisco ACI Multi-Site Orchestrator by enabling an unauthenticated attacker to bypass authentication.

What is the severity of CVE-2021-1388?

CVE-2021-1388 has a severity rating of critical with a CVSS score of 10.

How can I fix CVE-2021-1388?

To fix CVE-2021-1388, apply the necessary updates or patches provided by Cisco.

Where can I find more information about CVE-2021-1388?

You can find more information about CVE-2021-1388 on the Cisco Security Advisory page at https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mso-authbyp-bb5GmBQv

Vulnerability/
CVE-2021-1388

critical

CWE

269

24/2/2021

5/8/2022

CVE-2021-1388

Q: What is CVE-2021-1388?

CVE-2021-1388 is a vulnerability in an API endpoint of Cisco ACI Multi-Site Orchestrator (MSO) installed on the Application Services Engine that allows an unauthenticated, remote attacker to bypass authentication.

First published: Wed Feb 24 2021(Updated: )

A vulnerability in an API endpoint of Cisco ACI Multi-Site Orchestrator (MSO) installed on the Application Services Engine could allow an unauthenticated, remote attacker to bypass authentication on an affected device. The vulnerability is due to improper token validation on a specific API endpoint. An attacker could exploit this vulnerability by sending a crafted request to the affected API. A successful exploit could allow the attacker to receive a token with administrator-level privileges that could be used to authenticate to the API on affected MSO and managed Cisco Application Policy Infrastructure Controller (APIC) devices.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco ACI Multi-Site Orchestrator	>=3.0<3.0\(3m\)
Cisco Application Policy Infrastructure Controller	=3.0\(3i\)

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mso-authbyp-bb5GmBQv

Frequently Asked Questions

What is CVE-2021-1388?
CVE-2021-1388 is a vulnerability in an API endpoint of Cisco ACI Multi-Site Orchestrator (MSO) installed on the Application Services Engine that allows an unauthenticated, remote attacker to bypass authentication.
How does CVE-2021-1388 affect Cisco ACI Multi-Site Orchestrator?
CVE-2021-1388 affects Cisco ACI Multi-Site Orchestrator by enabling an unauthenticated attacker to bypass authentication.
What is the severity of CVE-2021-1388?
CVE-2021-1388 has a severity rating of critical with a CVSS score of 10.
How can I fix CVE-2021-1388?
To fix CVE-2021-1388, apply the necessary updates or patches provided by Cisco.
Where can I find more information about CVE-2021-1388?
You can find more information about CVE-2021-1388 on the Cisco Security Advisory page at https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mso-authbyp-bb5GmBQv

collector/nvd-index
agent/weakness
vendor/cisco
canonical/cisco aci multi-site orchestrator
version/cisco aci multi-site orchestrator/3.0
canonical/cisco application policy infrastructure controller
version/cisco application policy infrastructure controller/3.0\(3i\)

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