7.5
HIGH
CVE-2022-38371
Siemens Desigo PXC Series FTP Server Denial of Service Vulnerability
Description

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.

INFO

Published Date :

Oct. 11, 2022, 11:15 a.m.

Last Modified :

Nov. 21, 2024, 7:16 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2022-38371 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens apogee_pxc_modular_firmware
2 Siemens talon_tc_compact_firmware
3 Siemens nucleus_net
4 Siemens nucleus_readystart_v3
5 Siemens nucleus_source_code
6 Siemens apogee_modular_building_controller_firmware
7 Siemens apogee_modular_equiment_controller_firmware
8 Siemens apogee_pxc_compact_firmware
9 Siemens desigo_pxc00-e.d_firmware
10 Siemens desigo_pxc00-u_firmware
11 Siemens desigo_pxc001-e.d_firmware
12 Siemens desigo_pxc12-e.d_firmware
13 Siemens desigo_pxc22-e.d_firmware
14 Siemens desigo_pxc22.1-e.d_firmware
15 Siemens desigo_pxc36.1-e.d_firmware
16 Siemens desigo_pxc50-e.d_firmware
17 Siemens desigo_pxc64-u_firmware
18 Siemens desigo_pxc100-e.d_firmware
19 Siemens desigo_pxc128-u_firmware
20 Siemens desigo_pxc200-e.d_firmware
21 Siemens desigo_pxm20-e_firmware
22 Siemens apogee_mbc_\(ppc\)_\(p2_ethernet\)_firmware
23 Siemens apogee_mec_\(ppc\)_\(p2_ethernet\)_firmware
24 Siemens apogee_pxc_compact_\(p2_ethernet\)_firmware
25 Siemens apogee_pxc_modular_\(bacnet\)_firmware
26 Siemens apogee_pxc_modular_\(p2_ethernet\)_firmware
27 Siemens talon_tc_compact_\(bacnet\)_firmware
28 Siemens talon_tc_modular_\(bacnet\)_firmware
29 Siemens apogee_modular_building_controller
30 Siemens apogee_modular_equiment_controller
31 Siemens apogee_pxc_compact
32 Siemens apogee_pxc_modular
33 Siemens desigo_pxc00-e.d
34 Siemens desigo_pxc00-u
35 Siemens desigo_pxc001-e.d
36 Siemens desigo_pxc12-e.d
37 Siemens desigo_pxc22-e.d
38 Siemens desigo_pxc22.1-e.d
39 Siemens desigo_pxc36.1-e.d
40 Siemens desigo_pxc50-e.d
41 Siemens desigo_pxc64-u
42 Siemens desigo_pxc100-e.d
43 Siemens desigo_pxc128-u
44 Siemens desigo_pxc200-e.d
45 Siemens desigo_pxm20-e
46 Siemens talon_tc_compact

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-38371 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-38371 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/html/ssa-313313.html
    Added Reference https://cert-portal.siemens.com/productcert/html/ssa-935500.html
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-313313.pdf
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-935500.pdf
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
    Changed Description 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), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions), APOGEE PXC Modular (P2 Ethernet) (All versions), 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 (Versions including affected FTP server), TALON TC Compact (BACnet) (All versions), TALON TC Modular (BACnet) (All versions). 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. 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.
    Added Reference Siemens AG https://cert-portal.siemens.com/productcert/html/ssa-935500.html [No types assigned]
    Added Reference Siemens AG https://cert-portal.siemens.com/productcert/html/ssa-313313.html [No types assigned]
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 14, 2023

    Action Type Old Value New Value
    Changed Description 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), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions), APOGEE PXC Modular (P2 Ethernet) (All versions), 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 (All versions), Nucleus ReadyStart V3 (All versions), Nucleus Source Code (Versions including affected FTP server), TALON TC Compact (BACnet) (All versions), TALON TC Modular (BACnet) (All versions). 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. 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), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions), APOGEE PXC Modular (P2 Ethernet) (All versions), 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 (Versions including affected FTP server), TALON TC Compact (BACnet) (All versions), TALON TC Modular (BACnet) (All versions). 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.
    Added CVSS V3.1 Siemens AG AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE Modified by [email protected]

    Dec. 13, 2022

    Action Type Old Value New Value
    Changed Description A vulnerability has been identified in Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions), Nucleus Source Code (Versions including affected FTP server). 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. 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), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions), APOGEE PXC Modular (P2 Ethernet) (All versions), 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 (All versions), Nucleus ReadyStart V3 (All versions), Nucleus Source Code (Versions including affected FTP server), TALON TC Compact (BACnet) (All versions), TALON TC Modular (BACnet) (All versions). 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.
  • Initial Analysis by [email protected]

    Oct. 12, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-313313.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-313313.pdf Patch, Vendor Advisory
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-935500.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-935500.pdf Patch, Vendor Advisory
    Added CWE NIST CWE-401
    Added CPE Configuration OR *cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:* *cpe:2.3:a:siemens:nucleus_readystart_v3:*:*:*:*:*:*:*:* *cpe:2.3:a:siemens:nucleus_source_code:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:apogee_modular_building_controller_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:apogee_modular_building_controller:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:apogee_modular_equiment_controller:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:apogee_pxc_compact_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:apogee_pxc_compact:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:apogee_pxc_modular_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:apogee_pxc_modular:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc00-e.d_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc00-e.d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc00-u_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc00-u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc001-e.d_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc001-e.d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc12-e.d_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc12-e.d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc22-e.d_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc22-e.d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc22.1-e.d_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc22.1-e.d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc36.1-e.d_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc36.1-e.d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc50-e.d_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc50-e.d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc64-u_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc64-u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc100-e.d_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc100-e.d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc128-u_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc128-u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxc200-e.d_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxc200-e.d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:desigo_pxm20-e_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.3 OR cpe:2.3:h:siemens:desigo_pxm20-e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:talon_tc_compact_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:talon_tc_compact:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-38371 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-38371 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.36 }} 0.06%

score

0.72046

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability