7.5
HIGH
CVE-2022-33138
Siemens SIMATIC Unauthenticated Remote Data Disclosure
Description

A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIMATIC MV550 S (All versions < V3.3), SIMATIC MV560 U (All versions < V3.3), SIMATIC MV560 X (All versions < V3.3). Affected devices do not perform authentication for several web API endpoints. This could allow an unauthenticated remote attacker to read and download data from the device.

INFO

Published Date :

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

Last Modified :

Nov. 21, 2024, 7:07 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2022-33138 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_mv540_h_firmware
2 Siemens simatic_mv540_s_firmware
3 Siemens simatic_mv550_h_firmware
4 Siemens simatic_mv550_s_firmware
5 Siemens simatic_mv560_u_firmware
6 Siemens simatic_mv560_x_firmware
7 Siemens simatic_mv540_h
8 Siemens simatic_mv540_s
9 Siemens simatic_mv550_h
10 Siemens simatic_mv550_s
11 Siemens simatic_mv560_u
12 Siemens simatic_mv560_x
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-2022-33138.

URL Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-348662.pdf Patch Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-348662.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-2022-33138 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-33138 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/pdf/ssa-348662.pdf
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jul. 15, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-348662.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-348662.pdf Patch, Vendor Advisory
    Added CWE NIST CWE-306
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_mv540_h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3 OR cpe:2.3:h:siemens:simatic_mv540_h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_mv540_s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3 OR cpe:2.3:h:siemens:simatic_mv540_s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_mv550_h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3 OR cpe:2.3:h:siemens:simatic_mv550_h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_mv550_s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3 OR cpe:2.3:h:siemens:simatic_mv550_s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_mv560_u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3 OR cpe:2.3:h:siemens:simatic_mv560_u:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_mv560_x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3 OR cpe:2.3:h:siemens:simatic_mv560_x:-:*:*:*:*:*:*:*
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-2022-33138 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

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

0.31 }} 0.07%

score

0.69611

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
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