10.0
CRITICAL
CVE-2022-34819
Siemens SIMATIC and SIPLUS ET 200SP Buffer Overflow
Description

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.

INFO

Published Date :

July 12, 2022, 10:15 a.m.

Last Modified :

March 14, 2023, 10:15 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2022-34819 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 simatic_cp_1242-7_v2_firmware
2 Siemens simatic_cp_1243-1_firmware
3 Siemens simatic_cp_1243-7_lte_eu_firmware
4 Siemens simatic_cp_1243-7_lte_us_firmware
5 Siemens simatic_cp_1243-8_irc_firmware
6 Siemens simatic_cp_1542sp-1_irc_firmware
7 Siemens simatic_cp_1543sp-1_firmware
8 Siemens siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware
9 Siemens siplus_et_200sp_cp_1543sp-1_isec_firmware
10 Siemens siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware
11 Siemens siplus_net_cp_1242-7_v2_firmware
12 Siemens siplus_s7-1200_cp_1243-1_firmware
13 Siemens siplus_s7-1200_cp_1243-1_rail_firmware
14 Siemens simatic_cp_1543-1_firmware
15 Siemens siplus_net_cp_1543-1_firmware
: Total Affected Vendor : 1 | Products : 15
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-34819.

URL Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf Patch Vendor Advisory

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-2022-34819 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-34819 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 [email protected]

    May. 14, 2024

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

    Mar. 14, 2023

    Action Type Old Value New Value
    Changed Description A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device. A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.
    Added CVSS V3.1 Siemens AG AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
  • CVE Modified by [email protected]

    Aug. 10, 2022

    Action Type Old Value New Value
    Changed Description A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions), SIMATIC CP 1243-1 (All versions), SIMATIC CP 1243-7 LTE EU (All versions), SIMATIC CP 1243-7 LTE US (All versions), SIMATIC CP 1243-8 IRC (All versions), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0), SIPLUS NET CP 1242-7 V2 (All versions), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions), SIPLUS S7-1200 CP 1243-1 RAIL (All versions). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device. A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.
  • Initial Analysis by [email protected]

    Jul. 15, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf Patch, Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_cp_1242-7_v2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_cp_1242-7_v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_cp_1243-1_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_cp_1243-1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_cp_1243-7_lte_eu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_cp_1243-7_lte_eu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_cp_1243-7_lte_us_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_cp_1243-7_lte_us:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_cp_1243-8_irc_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_cp_1243-8_irc:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_cp_1542sp-1_irc_firmware:*:*:*:*:*:*:*:* versions from (including) 2.0 OR cpe:2.3:h:siemens:simatic_cp_1542sp-1_irc:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.22 OR cpe:2.3:h:siemens:simatic_cp_1543-1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_cp_1543sp-1_firmware:*:*:*:*:*:*:*:* versions from (including) 2.0 OR cpe:2.3:h:siemens:simatic_cp_1543sp-1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware:*:*:*:*:*:*:*:* versions from (including) 2.0 OR cpe:2.3:h:siemens:siplus_et_200sp_cp_1542sp-1_irc_tx_rail:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:siplus_et_200sp_cp_1543sp-1_isec_firmware:*:*:*:*:*:*:*:* versions from (including) 2.0 OR cpe:2.3:h:siemens:siplus_et_200sp_cp_1543sp-1_isec:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware:*:*:*:*:*:*:*:* versions from (including) 2.0 OR cpe:2.3:h:siemens:siplus_et_200sp_cp_1543sp-1_isec_tx_rail:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:siplus_net_cp_1242-7_v2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:siplus_net_cp_1242-7_v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:siplus_net_cp_1543-1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.22 OR cpe:2.3:h:siemens:siplus_net_cp_1543-1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:siplus_s7-1200_cp_1243-1_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:siplus_s7-1200_cp_1243-1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:siplus_s7-1200_cp_1243-1_rail_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:siplus_s7-1200_cp_1243-1_rail:-:*:*:*:*:*:*:*
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-2022-34819 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-2022-34819 weaknesses.

Exploit Prediction

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

0.22 }} -0.02%

score

0.60894

percentile

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