CVE-2023-32787
"OPC UA Java Stack Denial of Service Vulnerability"
Description
The OPC UA Legacy Java Stack before 6f176f2 enables an attacker to block OPC UA server applications via uncontrolled resource consumption so that they can no longer serve client applications.
INFO
Published Date :
May 15, 2023, 3:15 p.m.
Last Modified :
April 2, 2024, 2:49 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-32787 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2023-32787
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-2023-32787.
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).
opcua-exploit-framework-main
Python Shell
Claroty opc ua exploit framework add KOR comment
Python Shell
Advanced OPC-UA framework for vulnerability research & exploitation
Python Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-32787 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-32787 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 -
Reanalysis by [email protected]
Apr. 02, 2024
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:prosysopc:ua_historian:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0 *cpe:2.3:a:prosysopc:ua_modbus_server:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.20 *cpe:2.3:a:prosysopc:ua_simulation_server:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.2 -
Initial Analysis by [email protected]
May. 24, 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://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-32787.pdf No Types Assigned https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-32787.pdf Patch, Vendor Advisory Changed Reference Type https://github.com/OPCFoundation/UA-Java-Legacy No Types Assigned https://github.com/OPCFoundation/UA-Java-Legacy Product Changed Reference Type https://github.com/OPCFoundation/UA-Java-Legacy/commit/6f176f2b445a27c157f1a32f225accc9ce8873c0 No Types Assigned https://github.com/OPCFoundation/UA-Java-Legacy/commit/6f176f2b445a27c157f1a32f225accc9ce8873c0 Patch Added CWE NIST CWE-400 Added CPE Configuration OR *cpe:2.3:a:opcfoundation:ua_java_legacy:*:*:*:*:*:*:*:* versions up to (excluding) 2023-04-28
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-32787 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-2023-32787
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} 0.02%
score
0.57217
percentile