CVE-2024-21386 Vulnerability Analysis & Exploit Details

CVE-2024-21386
Vulnerability Scoring

7.5
/10
Very High Risk

Highly exploitable, CVE-2024-21386 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2024-21386 Details

Status: Modified

Last updated: 🕣 21 Nov 2024, 08:54 UTC
Originally published on: 🕕 13 Feb 2024, 18:15 UTC

Time between publication and last update: 281 days

CVSS Release: version 3

CVSS3 Source

secure@microsoft.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2024-21386 Vulnerability Summary

CVE-2024-21386: .NET Denial of Service Vulnerability

Assessing the Risk of CVE-2024-21386

Access Complexity Graph

The exploitability of CVE-2024-21386 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-2024-21386

With low attack complexity and no required privileges, CVE-2024-21386 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

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-2024-21386, 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-2024-21386, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2024-21386 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2024-21386 poses no threat to data integrity.
  • Availability: High
    CVE-2024-21386 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: 0.053% (probability of exploit)

EPSS Percentile: 24.44% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 75.56% of others.

CVE-2024-21386 References

External References

CWE Common Weakness Enumeration

NVD-CWE-noinfo

Vulnerable Configurations

  • cpe:2.3:a:microsoft:asp.net_core:6.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.4:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.6:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.6:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.7:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.7:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.8:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.8:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.9:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.9:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.10:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.10:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.11:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.11:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.12:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.12:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.13:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.13:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.14:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.14:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.15:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.15:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.16:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.16:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.18:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.18:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.19:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.19:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.20:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.20:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.21:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.21:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.22:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.22:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:6.0.23:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:6.0.23:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.4:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.7:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.7:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.8:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.8:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.9:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.9:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.10:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.10:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.11:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.11:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:7.0.12:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:7.0.12:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:asp.net_core:8.0.0:-:*:*:*:*:*:*
    cpe:2.3:a:microsoft:asp.net_core:8.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.0:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.0:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.1:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.1:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.2:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.2:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.3:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.3:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.4:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.4:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.5:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.5:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.6:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.6:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.7:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.7:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.8:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.8:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.9:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.9:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.10:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.10:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.11:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.11:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.14:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.14:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.4.15:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.4.15:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.6.0:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.6.0:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.6.3:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.6.3:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.6.5:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.6.5:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.6.6:*:*:*:*:-:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.6.6:*:*:*:*:-:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.6.7:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.6.7:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.6.8:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.6.8:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.6.10:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.6.10:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.6.11:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.6.11:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2022:17.8.4:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:visual_studio_2022:17.8.4:*:*:*:*:*:*:*

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