CVE-2020-4821
IBM InfoSphere Data Replication Authentication Bypass Vulnerability
Description
IBM InfoSphere Data Replication 11.4 and IBM InfoSphere Change Data Capture for z/OS 10.2.1, under certain configurations, could allow a user to bypass authentication mechanisms using an empty password string. IBM X-Force ID: 189834
INFO
Published Date :
July 16, 2021, 5:15 p.m.
Last Modified :
July 29, 2021, 6:04 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2020-4821
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-2020-4821.
| URL | Resource |
|---|---|
| https://exchange.xforce.ibmcloud.com/vulnerabilities/189834 | VDB Entry Vendor Advisory |
| https://www.ibm.com/support/pages/node/6472909 | Patch Vendor Advisory |
| https://www.ibm.com/support/pages/node/6472911 | Patch Vendor 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-4821 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-4821 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. 29, 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://exchange.xforce.ibmcloud.com/vulnerabilities/189834 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/189834 VDB Entry, Vendor Advisory Changed Reference Type https://www.ibm.com/support/pages/node/6472909 No Types Assigned https://www.ibm.com/support/pages/node/6472909 Patch, Vendor Advisory Changed Reference Type https://www.ibm.com/support/pages/node/6472911 No Types Assigned https://www.ibm.com/support/pages/node/6472911 Patch, Vendor Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:ibm:infosphere_data_replication:11.4:*:*:*:*:*:*:* *cpe:2.3:a:ibm:infosphere_data_replication:11.4.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:ibm:infosphere_change_data_capture:10.2.1:*:*:*:*:z\/os:*:* *cpe:2.3:a:ibm:infosphere_change_data_capture:11.3.3:*:*:*:*:z\/os:*:* *cpe:2.3:a:ibm:infosphere_change_data_capture:11.4:*:*:*:*:z\/os:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-4821 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-2020-4821
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.25 }} -0.03%
score
0.65389
percentile