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Secure Endpoint CVE-2023-20084

MEDIUM
Incomplete Model of Endpoint Features (CWE-437)
2023-11-22 psirt@cisco.com
4.4
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
Impact

CVSS score of 4.4 (MEDIUM). Attack characteristics: local attack vector, high complexity, low privileges required, user interaction 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

A vulnerability in the endpoint software of Cisco Secure Endpoint for Windows could allow an authenticated, local attacker to evade endpoint protection within a limited time window. Rated medium severity (CVSS 4.4). 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-437. A vulnerability in the endpoint software of Cisco Secure Endpoint for Windows could allow an authenticated, local attacker to evade endpoint protection within a limited time window. This vulnerability is due to a timing issue that occurs between various software components. An attacker could exploit this vulnerability by persuading a user to put a malicious file into a specific folder and then persuading the user to execute the file within a limited time window. A successful exploit could allow the attacker to cause the endpoint software to fail to quarantine the malicious file or kill its process. Note: This vulnerability only applies to deployments that have the Windows Folder Redirection feature enabled. Affected products include: Cisco Secure Endpoint, Cisco Secure Endpoint Private Cloud.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.4 MEDIUM
AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

A vulnerability in the endpoint software of Cisco Secure Endpoint for Windows could allow an authenticated, local attacker to evade endpoint protection within a limited time window. This vulnerability is due to a timing issue that occurs between various software components. An attacker could exploit this vulnerability by persuading a user to put a malicious file into a specific folder and then persuading the user to execute the file within a limited time window. A successful exploit could allow the attacker to cause the endpoint software to fail to quarantine the malicious file or kill its process. Note: This vulnerability only applies to deployments that have the Windows Folder Redirection feature enabled.

Threat Intelligence Overview

EPSS Score
0.2%
Top 93% 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

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
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:secure_endpoint:-:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.0.7:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.0.9:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.1.5:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.1.7:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.1.9:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.2.1:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.2.3:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.2.5:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.2.9:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.2.19:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.3.1:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.3.3:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.3.5:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:6.3.7:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:7.0.5:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:7.1.1:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:7.1.5:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:7.2.3:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:secure_endpoint:7.2.5:*:*:*:*:windows:*:*
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