CVE-2024-43394 Vulnerability Analysis & Exploit Details

CVE-2024-43394
Vulnerability Scoring

7.5
/10
Very High Risk

Highly exploitable, CVE-2024-43394 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-2024-43394 Details

Status: Analyzed

Last updated: 🕒 29 Jul 2025, 15:15 UTC
Originally published on: 🕔 10 Jul 2025, 17:15 UTC

Time between publication and last update: 18 days

CVSS Release: version 3

CVSS3 Source

134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2024-43394 Vulnerability Summary

CVE-2024-43394: Server-Side Request Forgery (SSRF) in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via  mod_rewrite or apache expressions that pass unvalidated request input. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.63. Note:  The Apache HTTP Server Project will be setting a higher bar for accepting vulnerability reports regarding SSRF via UNC paths. The server offers limited protection against administrators directing the server to open UNC paths. Windows servers should limit the hosts they will connect over via SMB based on the nature of NTLM authentication.

Assessing the Risk of CVE-2024-43394

Access Complexity Graph

The exploitability of CVE-2024-43394 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-2024-43394

With low attack complexity and no required privileges, CVE-2024-43394 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-2024-43394, 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-2024-43394, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2024-43394 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2024-43394 poses no threat to data integrity.
  • Availability: None
    CVE-2024-43394 does not impact system availability.

CVE-2024-43394 References

External References

CWE Common Weakness Enumeration

CWE-918

CAPEC Common Attack Pattern Enumeration and Classification

  • Server Side Request Forgery CAPEC-664 An adversary exploits improper input validation by submitting maliciously crafted input to a target application running on a server, with the goal of forcing the server to make a request either to itself, to web services running in the server’s internal network, or to external third parties. If successful, the adversary’s request will be made with the server’s privilege level, bypassing its authentication controls. This ultimately allows the adversary to access sensitive data, execute commands on the server’s network, and make external requests with the stolen identity of the server. Server Side Request Forgery attacks differ from Cross Site Request Forgery attacks in that they target the server itself, whereas CSRF attacks exploit an insecure user authentication mechanism to perform unauthorized actions on the user's behalf.

Vulnerable Configurations

  • cpe:2.3:a:apache:http_server:2.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.4:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.4:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.6:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.6:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.7:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.7:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.8:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.8:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.9:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.9:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.10:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.10:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.11:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.11:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.12:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.12:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.13:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.13:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.14:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.14:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.15:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.15:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.16:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.16:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.21:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.21:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.22:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.22:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.23:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.23:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.24:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.24:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.25:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.25:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.26:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.26:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.27:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.27:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.28:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.28:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.29:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.29:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.30:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.30:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.31:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.31:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.32:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.32:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.33:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.33:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.34:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.34:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.35:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.35:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.36:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.36:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.37:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.37:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.38:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.38:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.39:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.39:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.40:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.40:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.41:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.41:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.42:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.42:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.43:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.43:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.44:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.44:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.45:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.45:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.46:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.46:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.47:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.47:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.48:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.48:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.49:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.49:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.50:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.50:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.51:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.51:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.52:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.52:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.53:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.53:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.54:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.54:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.55:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.55:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.56:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.56:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.57:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.57:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.58:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.58:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.59:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.59:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.60:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.60:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.61:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.61:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.62:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.62:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

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