CVE-2022-38371 Vulnerability Analysis & Exploit Details

CVE-2022-38371
Vulnerability Scoring

7.5
/10
Very High Risk

Highly exploitable, CVE-2022-38371 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-2022-38371 Details

Status: Modified

Last updated: 🕖 21 Nov 2024, 07:16 UTC
Originally published on: 🕚 11 Oct 2022, 11:15 UTC

Time between publication and last update: 771 days

CVSS Release: version 3

CVSS3 Source

productcert@siemens.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-2022-38371 Vulnerability Summary

CVE-2022-38371: A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.7), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.21), APOGEE PXC Modular (BACnet) (All versions < V3.5.7), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.21), Desigo PXC00-E.D (All versions >= V2.3), Desigo PXC00-U (All versions >= V2.3), Desigo PXC001-E.D (All versions >= V2.3), Desigo PXC100-E.D (All versions >= V2.3), Desigo PXC12-E.D (All versions >= V2.3), Desigo PXC128-U (All versions >= V2.3), Desigo PXC200-E.D (All versions >= V2.3), Desigo PXC22-E.D (All versions >= V2.3), Desigo PXC22.1-E.D (All versions >= V2.3), Desigo PXC36.1-E.D (All versions >= V2.3), Desigo PXC50-E.D (All versions >= V2.3), Desigo PXC64-U (All versions >= V2.3), Desigo PXM20-E (All versions >= V2.3), Nucleus NET for Nucleus PLUS V1 (All versions < V5.2a), Nucleus NET for Nucleus PLUS V2 (All versions < V5.4), Nucleus ReadyStart V3 V2012 (All versions < V2012.08.1), Nucleus ReadyStart V3 V2017 (All versions < V2017.02.4), Nucleus Source Code (All versions including affected FTP server), TALON TC Compact (BACnet) (All versions < V3.5.7), TALON TC Modular (BACnet) (All versions < V3.5.7). The FTP server does not properly release memory resources that were reserved for incomplete connection attempts by FTP clients. This could allow a remote attacker to generate a denial of service condition on devices that incorporate a vulnerable version of the FTP server.

Assessing the Risk of CVE-2022-38371

Access Complexity Graph

The exploitability of CVE-2022-38371 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-2022-38371

With low attack complexity and no required privileges, CVE-2022-38371 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-2022-38371, 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-2022-38371, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2022-38371 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2022-38371 poses no threat to data integrity.
  • Availability: High
    CVE-2022-38371 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: 0.356% (probability of exploit)

EPSS Percentile: 72.29% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 27.709999999999994% of others.

CVE-2022-38371 References

External References

CWE Common Weakness Enumeration

CWE-401

Vulnerable Configurations

  • cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:*
    cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:nucleus_readystart_v3:*:*:*:*:*:*:*:*
    cpe:2.3:a:siemens:nucleus_readystart_v3:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:nucleus_source_code:-:*:*:*:*:*:*:*
    cpe:2.3:a:siemens:nucleus_source_code:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:apogee_modular_building_controller_firmware:*:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:apogee_modular_building_controller_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:apogee_modular_building_controller:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:apogee_modular_building_controller:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware:*:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:apogee_modular_equiment_controller:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:apogee_modular_equiment_controller:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:apogee_pxc_compact_firmware:*:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:apogee_pxc_compact_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:apogee_pxc_compact:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:apogee_pxc_compact:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:apogee_pxc_modular_firmware:*:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:apogee_pxc_modular_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:apogee_pxc_modular:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:apogee_pxc_modular:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc00-e.d_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc00-e.d_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc00-e.d_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc00-e.d_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc00-e.d:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc00-e.d:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc00-u_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc00-u_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc00-u_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc00-u_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc00-u:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc00-u:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc001-e.d_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc001-e.d_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc001-e.d_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc001-e.d_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc001-e.d:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc001-e.d:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc12-e.d_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc12-e.d_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc12-e.d_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc12-e.d_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc12-e.d:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc12-e.d:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc22-e.d_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc22-e.d_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc22-e.d_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc22-e.d_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc22-e.d:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc22-e.d:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc22.1-e.d_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc22.1-e.d_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc22.1-e.d_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc22.1-e.d_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc22.1-e.d:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc22.1-e.d:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc36.1-e.d_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc36.1-e.d_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc36.1-e.d_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc36.1-e.d_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc36.1-e.d:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc36.1-e.d:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc50-e.d_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc50-e.d_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc50-e.d_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc50-e.d_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc50-e.d:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc50-e.d:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc64-u_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc64-u_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc64-u_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc64-u_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc64-u:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc64-u:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc100-e.d_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc100-e.d_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc100-e.d_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc100-e.d_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc100-e.d:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc100-e.d:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc128-u_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc128-u_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc128-u_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc128-u_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc128-u:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc128-u:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc200-e.d_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc200-e.d_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxc200-e.d_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxc200-e.d_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxc200-e.d:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxc200-e.d:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxm20-e_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxm20-e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:desigo_pxm20-e_firmware:2.3:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:desigo_pxm20-e_firmware:2.3:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:desigo_pxm20-e:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:desigo_pxm20-e:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:talon_tc_compact_firmware:*:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:talon_tc_compact_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:talon_tc_compact:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:talon_tc_compact:-:*:*:*:*:*:*:*

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