CVE-2021-20453
IBM WebSphere Application Server XML External Entity Injection (XXE) Vuln
Description
IBM WebSphere Application Server 8.0, 8.5, and 9.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 196648.
INFO
Published Date :
April 20, 2021, 12:15 p.m.
Last Modified :
Nov. 21, 2024, 5:46 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.2
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-20453 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-20453.
| URL | Resource |
|---|---|
| https://exchange.xforce.ibmcloud.com/vulnerabilities/196648 | VDB Entry Vendor Advisory |
| https://www.ibm.com/support/pages/node/6445171 | Patch Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/196648 | VDB Entry Vendor Advisory |
| https://www.ibm.com/support/pages/node/6445171 | 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).
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-2021-20453 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20453 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://exchange.xforce.ibmcloud.com/vulnerabilities/196648 Added Reference https://www.ibm.com/support/pages/node/6445171 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
May. 03, 2022
Action Type Old Value New Value Changed CWE CWE-776 CWE-611 -
Initial Analysis by [email protected]
Apr. 23, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/196648 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/196648 VDB Entry, Vendor Advisory Changed Reference Type https://www.ibm.com/support/pages/node/6445171 No Types Assigned https://www.ibm.com/support/pages/node/6445171 Patch, Vendor Advisory Added CWE NIST CWE-776 Added CPE Configuration OR *cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* versions from (including) 8.0.0.0 up to (excluding) 8.0.0.15 *cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* versions from (including) 8.5.0.0 up to (excluding) 8.5.5.20 *cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* versions from (including) 9.0.0.0 up to (excluding) 9.0.5.8
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20453 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-2021-20453
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} -0.01%
score
0.51201
percentile