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Nexus Dashboard Fabric Controller CVE-2024-20444

MEDIUM
Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') (CWE-88)
2024-10-02 psirt@cisco.com
5.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Argument sanitization
Impact

CVSS score of 5.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAI

A vulnerability in Cisco Nexus Dashboard Fabric Controller (NDFC), formerly Cisco Data Center Network Manager (DCNM), could allow an authenticated, remote attacker with network-admin privileges to. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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 under CWE-88. A vulnerability in Cisco Nexus Dashboard Fabric Controller (NDFC), formerly Cisco Data Center Network Manager (DCNM), could allow an authenticated, remote attacker with network-admin privileges to perform a command injection attack against an affected device.   This vulnerability is due to insufficient validation of command arguments. An attacker could exploit this vulnerability by submitting crafted command arguments to a specific REST API endpoint. A successful exploit could allow the attacker to overwrite sensitive files or crash a specific container, which would restart on its own, causing a low-impact denial of service (DoS) condition. Affected products include: Cisco Nexus Dashboard Fabric Controller.

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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low

DescriptionNVD

A vulnerability in Cisco Nexus Dashboard Fabric Controller (NDFC), formerly Cisco Data Center Network Manager (DCNM), could allow an authenticated, remote attacker with network-admin privileges to perform a command injection attack against an affected device.   This vulnerability is due to insufficient validation of command arguments. An attacker could exploit this vulnerability by submitting crafted command arguments to a specific REST API endpoint. A successful exploit could allow the attacker to overwrite sensitive files or crash a specific container, which would restart on its own, causing a low-impact denial of service (DoS) condition.

Threat Intelligence Overview

EPSS Score
0.8%
Top 49% exploitable
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

29
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:cisco:nexus_dashboard_fabric_controller:*:*:*:*:*:*:*:*
CVE-2024-20536 HIGH
8.8 Nov 06

A vulnerability in a REST API endpoint and web-based management interface of Cisco Nexus Dashboard Fabric Controller (ND

CVE-2024-20449 HIGH
8.8 Oct 02

A vulnerability in Cisco Nexus Dashboard Fabric Controller (NDFC) could allow an authenticated, remote attacker with low

CVE-2024-20432 HIGH
8.8 Oct 02

A vulnerability in the REST API and web UI of Cisco Nexus Dashboard Fabric Controller (NDFC) could allow an authenticate

CVE-2024-20281 HIGH
8.8 Apr 03

A vulnerability in the web-based management interface of Cisco Nexus Dashboard and Cisco Nexus Dashboard hosted services

CVE-2024-20491 HIGH
8.6 Oct 02

A vulnerability in a logging function of Cisco Nexus Dashboard Insights could allow an attacker with access to a tech su

CVE-2024-20490 HIGH
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A vulnerability in a logging function of Cisco Nexus Dashboard Fabric Controller (NDFC) and Cisco Nexus Dashboard Orches

CVE-2024-20448 HIGH
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A vulnerability in the Cisco Nexus Dashboard Fabric Controller (NDFC) software, formerly Cisco Data Center Network Manag

CVE-2024-20348 HIGH
7.5 Apr 03

A vulnerability in the Out-of-Band (OOB) Plug and Play (PnP) feature of Cisco Nexus Dashboard Fabric Controller (NDFC) c

CVE-2024-20441 MEDIUM
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A vulnerability in a specific REST API endpoint of Cisco NDFC could allow an authenticated, low-privileged, remote attac

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5.4 Oct 02

A vulnerability in a specific REST API endpoint of Cisco NDFC could allow an authenticated, low-privileged, remote attac

CVE-2024-20442 MEDIUM
5.4 Oct 02

A vulnerability in the REST API endpoints of Cisco Nexus Dashboard could allow an authenticated, low-privileged, remote

CVE-2024-20438 MEDIUM
5.4 Oct 02

A vulnerability in the REST API endpoints of Cisco NDFC could allow an authenticated, low-privileged, remote attacker to

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