CVE-2023-20084 Vulnerability Analysis & Exploit Details

CVE-2023-20084
Vulnerability Scoring

5.0
/10
Medium Risk

The vulnerability CVE-2023-20084 could compromise system integrity but typically requires user interaction to be exploited.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2023-20084 Details

Status: Modified

Last updated: 🕢 21 Nov 2024, 07:40 UTC
Originally published on: 🕔 22 Nov 2023, 17:15 UTC

Time between publication and last update: 364 days

CVSS Release: version 3

CVSS3 Source

ykramarz@cisco.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

CVE-2023-20084 Vulnerability Summary

CVE-2023-20084: 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.

Assessing the Risk of CVE-2023-20084

Access Complexity Graph

The exploitability of CVE-2023-20084 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2023-20084

CVE-2023-20084 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2023-20084, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2023-20084, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2023-20084 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2023-20084 poses no threat to data integrity.
  • Availability: High
    CVE-2023-20084 can disrupt system operations, potentially causing complete denial of service (DoS).

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.042% (probability of exploit)

EPSS Percentile: 5.02% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 94.98% of others.

CVE-2023-20084 References

External References

CWE Common Weakness Enumeration

NVD-CWE-noinfo

Vulnerable Configurations

  • cpe:2.3:a:cisco:secure_endpoint:-:*:*:*:*:windows:*:*
    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:6.0.7:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:6.0.9:*:*:*:*: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:6.1.5:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:6.1.7:*:*:*:*: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:6.1.9:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:6.2.1:*:*:*:*: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:6.2.3:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:6.2.5:*:*:*:*: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:6.2.9:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:6.2.19:*:*:*:*: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:6.3.1:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:6.3.3:*:*:*:*: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:6.3.5:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:6.3.7:*:*:*:*: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:7.0.5:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.1.1:*:*:*:*: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:7.1.5:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.2.3:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:7.2.3:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.2.5:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:7.2.5:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.2.7:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:7.2.7:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.2.11:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:7.2.11:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.2.13:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:7.2.13:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.3.1:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:7.3.1:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.3.3:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:7.3.3:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.3.5:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:7.3.5:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:7.3.9:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:7.3.9:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:8.1.3:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:8.1.3:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:8.1.3.21242:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:8.1.3.21242:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:8.1.5:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:8.1.5:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:8.1.5.21322:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:8.1.5.21322:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:8.1.7:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:8.1.7:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:8.1.7.21417:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:8.1.7.21417:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint:8.1.7.21512:*:*:*:*:windows:*:*
    cpe:2.3:a:cisco:secure_endpoint:8.1.7.21512:*:*:*:*:windows:*:*
  • cpe:2.3:a:cisco:secure_endpoint_private_cloud:3.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:secure_endpoint_private_cloud:3.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:secure_endpoint_private_cloud:3.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:secure_endpoint_private_cloud:3.8.0:*:*:*:*:*:*:*

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