Evolved Programmable Network Manager
CVE-2023-20121
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.7 (MEDIUM). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A local attacker with access to the system could inject arbitrary commands into system command execution. |
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Alert meAnalysisAI
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. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. 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. Affected products include: Cisco Evolved Programmable Network Manager, Cisco Identity Services Engine, Cisco Prime Infrastructure.
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Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Affected Products (CPE)NVD
Apache Log4j2 contains a critical JNDI injection vulnerability known as 'Log4Shell' that allows unauthenticated remote c
A vulnerability in the web-based management interface of Cisco Prime Infrastructure (PI) and Cisco Evolved Programmable
The API in Cisco Prime Infrastructure 1.2 through 3.0 and Evolved Programmable Network Manager (EPNM) 1.2 allows remote
Cisco Prime Infrastructure 1.2.0 through 2.2(2) and Cisco Evolved Programmable Network Manager (EPNM) 1.2 allow remote a
A vulnerability in the REST API of Cisco Prime Infrastructure (PI) and Cisco Evolved Programmable Network Manager (EPNM)
A vulnerability in the Cisco Prime Infrastructure and Evolved Programmable Network Manager SQL database interface could
Cisco Prime Infrastructure 1.2 through 3.1 and Evolved Programmable Network Manager (EPNM) 1.2 and 2.0 allow remote auth
The API web interface in Cisco Prime Infrastructure before 3.1 and Cisco Evolved Programmable Network Manager before 1.2
A vulnerability in the web-based management interface of Cisco Prime Infrastructure and Evolved Programmable Network (EP
A vulnerability in the web-based user interface of Cisco Prime Infrastructure (PI) and Evolved Programmable Network Mana
The web API in Cisco Prime Infrastructure 1.2.0 through 2.2(2) and Cisco Evolved Programmable Network Manager (EPNM) 1.2
A vulnerability in the web-based management interface of Cisco Prime Infrastructure (PI) and Cisco Evolved Programmable
GitHub PoC
Exploit-DB