CVE-2018-7856
Modicon Memory Block Denial of Service Vulnerability
Description
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a possible denial of Service when writing invalid memory blocks to the controller over Modbus.
INFO
Published Date :
May 22, 2019, 9:29 p.m.
Last Modified :
Feb. 3, 2022, 2:23 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2018-7856 has a 1 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-2018-7856
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-2018-7856.
| URL | Resource |
|---|---|
| https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/ | Mitigation Vendor Advisory |
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0767 | Exploit Third Party 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).
A quick and easy way to turn traffic generated by exploit script in to network capture (i.e. PCAP) files.
snort pcap http-request http-response python3 bash requests-python
Dockerfile 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-2018-7856 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-7856 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 -
Modified Analysis by [email protected]
Feb. 03, 2022
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0767 No Types Assigned https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0767 Exploit, Third Party Advisory Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:se:modicon_m340:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Jan. 31, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m340:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Jan. 31, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:se:modicon_m340:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 19, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m340:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 11, 2019
Action Type Old Value New Value Added Reference https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0767 [No Types Assigned] -
Initial Analysis by [email protected]
May. 23, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/ No Types Assigned https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/ Mitigation, Vendor Advisory Added CWE CWE-754 Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_premium_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_quantum_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.90 OR cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-7856 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-2018-7856
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.17 }} 0.00%
score
0.52142
percentile