medium
4.9
CWE
269 268
Advisory Published
Updated

CVE-2023-20194

First published: Thu Sep 07 2023(Updated: )

A vulnerability in the ERS API of Cisco ISE could allow an authenticated, remote attacker to read arbitrary files on the underlying operating system of an affected device. To exploit this vulnerability, an attacker must have valid Administrator-level privileges on the affected device. This vulnerability is due to improper privilege management in the ERS API. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to elevate their privileges beyond the sphere of their intended access level, which would allow them to obtain sensitive information from the underlying operating system. Note: The ERS is not enabled by default. To verify the status of the ERS API in the Admin GUI, choose Administration > Settings > API Settings > API Service Settings.

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Identity Services Engine<=2.7
Cisco Identity Services Engine=3.0.0
Cisco Identity Services Engine=3.0.0-patch1
Cisco Identity Services Engine=3.0.0-patch2
Cisco Identity Services Engine=3.0.0-patch3
Cisco Identity Services Engine=3.0.0-patch4
Cisco Identity Services Engine=3.0.0-patch5
Cisco Identity Services Engine=3.0.0-patch6
Cisco Identity Services Engine=3.0.0-patch7
Cisco Identity Services Engine=3.1
Cisco Identity Services Engine=3.1-patch1
Cisco Identity Services Engine=3.1-patch3
Cisco Identity Services Engine=3.1-patch4
Cisco Identity Services Engine=3.1-patch5
Cisco Identity Services Engine=3.1-patch6
Cisco Identity Services Engine=3.1-patch7
Cisco Identity Services Engine=3.2
Cisco Identity Services Engine=3.2-patch1
Cisco Identity Services Engine=3.2-patch2

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Reference Links

Frequently Asked Questions

  • What is CVE-2023-20194?

    CVE-2023-20194 is a vulnerability in the ERS API of Cisco ISE that allows an authenticated remote attacker to read arbitrary files.

  • What is the severity of CVE-2023-20194?

    The severity of CVE-2023-20194 is medium with a score of 4.9.

  • How does CVE-2023-20194 affect Cisco Identity Services Engine?

    CVE-2023-20194 affects Cisco Identity Services Engine versions 2.7 to 3.2.

  • How can an attacker exploit CVE-2023-20194?

    To exploit CVE-2023-20194, an attacker must have valid Administrator-level privileges on the affected device.

  • Is there a fix available for CVE-2023-20194?

    Yes, Cisco has released a fix for CVE-2023-20194. Please refer to the Cisco Security Advisory for more information.

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