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Nexus Dashboard CVE-2022-20906

MEDIUM
Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)
2022-07-22 psirt@cisco.com
6.7
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture TOCTOU prevention
Impact

CVSS score of 6.7 (MEDIUM). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required.

Exploit ScenarioDerived

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 0.2% exploitation probability (EPSS)

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AnalysisAI

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an authenticated, local attacker to elevate privileges on an affected device. 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-367. Multiple vulnerabilities in Cisco Nexus Dashboard could allow an authenticated, local attacker to elevate privileges on an affected device. These vulnerabilities are due to insufficient input validation during CLI command execution on an affected device. An attacker could exploit these vulnerabilities by authenticating as the rescue-user and executing vulnerable CLI commands using a malicious payload. A successful exploit could allow the attacker to elevate privileges to root on an affected device. Affected products include: Cisco Nexus Dashboard.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.7 MEDIUM
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

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

DescriptionNVD

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an authenticated, local attacker to elevate privileges on an affected device. These vulnerabilities are due to insufficient input validation during CLI command execution on an affected device. An attacker could exploit these vulnerabilities by authenticating as the rescue-user and executing vulnerable CLI commands using a malicious payload. A successful exploit could allow the attacker to elevate privileges to root on an affected device.

Threat Intelligence Overview

EPSS Score
0.2%
Top 91% 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 0.2%
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:cisco:nexus_dashboard:*:*:*:*:*:*:*:*
CVE-2021-44228 CRITICAL POC
10.0 Dec 10

Apache Log4j2 contains a critical JNDI injection vulnerability known as 'Log4Shell' that allows unauthenticated remote c

CVE-2022-20858 CRITICAL
9.8 Jul 21

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an unauthenticated, remote attacker to execute arbitrary c

CVE-2022-20857 CRITICAL
9.8 Jul 21

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an unauthenticated, remote attacker to execute arbitrary c

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-2022-20861 HIGH
8.8 Jul 21

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an unauthenticated, remote attacker to execute arbitrary c

CVE-2025-20163 HIGH
8.7 Jun 04

Man-in-the-middle vulnerability in Cisco Nexus Dashboard Fabric Controller (NDFC) caused by insufficient SSH host key va

CVE-2023-20014 HIGH
7.5 Mar 01

A vulnerability in the DNS functionality of Cisco Nexus Dashboard Software could allow an unauthenticated, remote attack

CVE-2022-20860 HIGH
7.4 Jul 21

A vulnerability in the SSL/TLS implementation of Cisco Nexus Dashboard could allow an unauthenticated, remote attacker t

CVE-2022-20909 MEDIUM
6.7 Jul 22

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an authenticated, local attacker to elevate privileges on

CVE-2022-20908 MEDIUM
6.7 Jul 22

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an authenticated, local attacker to elevate privileges on

CVE-2022-20907 MEDIUM
6.7 Jul 22

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an authenticated, local attacker to elevate privileges on

CVE-2024-20441 MEDIUM
6.5 Oct 02

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

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