CVE-2023-35921
Siemens SIMATIC MV Ethernet Frame Processing Denial of Service Vulnerability
Description
A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3.4), SIMATIC MV540 S (All versions < V3.3.4), SIMATIC MV550 H (All versions < V3.3.4), SIMATIC MV550 S (All versions < V3.3.4), SIMATIC MV560 U (All versions < V3.3.4), SIMATIC MV560 X (All versions < V3.3.4). Affected devices cannot properly process specially crafted Ethernet frames sent to the devices. This could allow an unauthenticated remote attacker to cause a denial of service condition. The affected devices must be restarted manually.
INFO
Published Date :
July 11, 2023, 10:15 a.m.
Last Modified :
July 19, 2023, 3:21 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2023-35921
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.
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-2023-35921.
| URL | Resource |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-561322.pdf | 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-2023-35921 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-35921 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 -
Initial Analysis by [email protected]
Jul. 19, 2023
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-561322.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-561322.pdf Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_mv540_h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3.4 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) 3.3.4 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) 3.3.4 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) 3.3.4 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) 3.3.4 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) 3.3.4 OR cpe:2.3:h:siemens:simatic_mv560_x:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-35921 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-2023-35921
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} 0.07%
score
0.52059
percentile