Name: CVE-2023-20121: Improper Neutralization of Special Elements used in a Command
Creator: Rapid7
Published: 2023-04-05T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2023-20121, CWE-77, CWE-78, CVSS 6, EPSS 0.00078

Multiple vulnerabilities in the restricted shell of Cisco Evolved Programmable Network Manager (EPNM), Cisco Identity Services Engine (ISE), and Cisco Prime Infrastructure could allow an authenticated, local attacker to escape the restricted shell and gain root privileges on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS Details

CVSS 3.1 Base Score: 6
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Cisco Ise	—	Upgrade to the latest version of Cisco ISE to resolve this vulnerability	Oct 21, 2025	Apr 5, 2023

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CVSS Details

Covered by Rapid7

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