CVE-2021-31337
Siemens SIMATIC HMI Comfort Panels Unauthenticated Telnet Access Vulnerability
Description
The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).
INFO
Published Date :
June 28, 2021, 1:15 p.m.
Last Modified :
July 2, 2021, 2:05 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-31337 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-2021-31337
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-2021-31337.
| URL | Resource |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04 | Not Applicable Third Party Advisory US Government Resource |
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).
An embarrassingly simple wrapper for trivy + k8s
Ruby
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-31337 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-31337 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. 02, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04 Not Applicable, Third Party Advisory, US Government Resource Added CPE Configuration AND OR *cpe:2.3:o:siemens:sinamics_sl150_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:sinamics_sl150:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:sinamics_sm150_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:sinamics_sm150:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:sinamics_sm150i_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:sinamics_sm150i:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-31337 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-2021-31337
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.31 }} 0.03%
score
0.69392
percentile