CVE-2021-34581
WAGO OpenSSL Resource Leak Vulnerability
Description
Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.
INFO
Published Date :
Aug. 31, 2021, 11:15 a.m.
Last Modified :
Nov. 21, 2024, 6:10 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-34581 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-2021-34581
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-2021-34581.
| URL | Resource |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-038 | Third Party Advisory |
| https://cert.vde.com/en-us/advisories/vde-2021-038 | 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).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-34581 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-34581 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-2021-038 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Sep. 09, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C) 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.vde.com/en-us/advisories/vde-2021-038 No Types Assigned https://cert.vde.com/en-us/advisories/vde-2021-038 Third Party Advisory Added CWE NIST CWE-772 Added CPE Configuration AND OR *cpe:2.3:o:wago:750-880\/040-000_firmware:*:*:*:*:*:*:*:* versions from (including) fw4 up to (including) fw15 OR cpe:2.3:h:wago:750-880\/040-000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:wago:750-880\/025-002_firmware:*:*:*:*:*:*:*:* versions from (including) fw4 up to (including) fw15 OR cpe:2.3:h:wago:750-880\/025-002:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:wago:750-880\/025-001_firmware:*:*:*:*:*:*:*:* versions from (including) fw4 up to (including) fw15 OR cpe:2.3:h:wago:750-880\/025-001:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:wago:750-880\/025-000_firmware:*:*:*:*:*:*:*:* versions from (including) fw4 up to (including) fw15 OR cpe:2.3:h:wago:750-880\/025-000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:wago:750-831\/000-002_firmware:*:*:*:*:*:*:*:* versions from (including) fw4 up to (including) fw15 OR cpe:2.3:h:wago:750-831\/000-002:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* versions from (including) fw4 up to (including) fw15 OR cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:* versions from (including) fw4 up to (including) fw15 OR cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:* versions from (including) fw4 up to (including) fw15 OR cpe:2.3:h:wago:750-831:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:* versions from (including) fw4 up to (including) fw15 OR cpe:2.3:h:wago:750-880:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-34581 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-2021-34581
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.01%
score
0.46514
percentile