CVE-2021-20999
Weidmüller u-controls and IoT-Gateways Unintended Port Access Vulnerability
Description
In Weidmüller u-controls and IoT-Gateways in versions up to 1.12.1 a network port intended only for device-internal usage is accidentally accessible via external network interfaces. By exploiting this vulnerability the device may be manipulated or the operation may be stopped.
INFO
Published Date :
May 13, 2021, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 5:47 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2021-20999
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
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-2021-20999.
| URL | Resource |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-016 | Third Party Advisory |
| https://cert.vde.com/en-us/advisories/vde-2021-016 | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20999 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-2021-20999
weaknesses.
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-2021-20999 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20999 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.vde.com/en-us/advisories/vde-2021-016 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description In Weidmüller u-controls and IoT-Gateways in versions up to 1.12.1 a network port intended only for device-internal usage is accidentally accessible via external network interfaces. By exploiting this vulnerability the device may be manipulated or the operation may be stopped. In Weidmüller u-controls and IoT-Gateways in versions up to 1.12.1 a network port intended only for device-internal usage is accidentally accessible via external network interfaces. By exploiting this vulnerability the device may be manipulated or the operation may be stopped. -
Reanalysis by [email protected]
Oct. 21, 2022
Action Type Old Value New Value Removed CWE NIST CWE-668 Added CWE NIST NVD-CWE-Other -
Initial Analysis by [email protected]
May. 21, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/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://cert.vde.com/en-us/advisories/vde-2021-016 No Types Assigned https://cert.vde.com/en-us/advisories/vde-2021-016 Third Party Advisory Added CWE NIST CWE-668 Added CPE Configuration AND OR *cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:*:*:*:*:*:*:*:* versions from (including) 1.3.0 up to (excluding) 1.9.1 *cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:*:*:*:*:*:*:*:* versions from (including) 1.10.0 up to (excluding) 1.10.3 *cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.11.0:*:*:*:*:*:*:* *cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.12.1:*:*:*:*:*:*:* OR cpe:2.3:h:weidmueller:uc20-wl2000-ac:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:*:*:*:*:*:*:*:* versions from (including) 1.3.0 up to (excluding) 1.9.1 *cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:*:*:*:*:*:*:*:* versions from (including) 1.10.0 up to (excluding) 1.10.3 *cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:1.11.0:*:*:*:*:*:*:* *cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:1.12.1:*:*:*:*:*:*:* OR cpe:2.3:h:weidmueller:uc20-wl2000-iot:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:weidmueller:iot-gw30_firmware:*:*:*:*:*:*:*:* versions from (including) 1.3.0 up to (excluding) 1.9.1 *cpe:2.3:o:weidmueller:iot-gw30_firmware:*:*:*:*:*:*:*:* versions from (including) 1.10.0 up to (excluding) 1.10.3 *cpe:2.3:o:weidmueller:iot-gw30_firmware:1.11.0:*:*:*:*:*:*:* *cpe:2.3:o:weidmueller:iot-gw30_firmware:1.12.1:*:*:*:*:*:*:* OR cpe:2.3:h:weidmueller:iot-gw30:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:weidmueller:iot-gw30-4g-eu_firmware:*:*:*:*:*:*:*:* versions from (including) 1.3.0 up to (excluding) 1.9.1 *cpe:2.3:o:weidmueller:iot-gw30-4g-eu_firmware:*:*:*:*:*:*:*:* versions from (including) 1.10.0 up to (excluding) 1.10.3 *cpe:2.3:o:weidmueller:iot-gw30-4g-eu_firmware:1.11.0:*:*:*:*:*:*:* *cpe:2.3:o:weidmueller:iot-gw30-4g-eu_firmware:1.12.1:*:*:*:*:*:*:* OR cpe:2.3:h:weidmueller:iot-gw30-4g-eu:-:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.40 }} -0.43%
score
0.57701
percentile