8.2
HIGH
CVE-2021-20454
IBM WebSphere Application Server XXE Injection Vulnerability
Description

IBM WebSphere Application Server 7.0, 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: 196649.

INFO

Published Date :

April 21, 2021, 12:15 p.m.

Last Modified :

April 23, 2021, 7:48 p.m.

Remotely Exploitable :

Yes !

Impact Score :

4.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-20454 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-2021-20454 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.

ID Vendor Product Action
1 Ibm websphere_application_server
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-2021-20454.

URL Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/196649 Third Party Advisory VDB Entry
https://www.ibm.com/support/pages/node/6445481 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

Updated: 7 months, 1 week ago
2 stars 0 fork 0 watcher
Born at : Dec. 25, 2020, 7:07 a.m. This repo has been linked 47 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-20454 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-20454 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]

    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/196649 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/196649 Third Party Advisory, VDB Entry
    Changed Reference Type https://www.ibm.com/support/pages/node/6445481 No Types Assigned https://www.ibm.com/support/pages/node/6445481 Third Party Advisory
    Added CWE NIST CWE-611
    Added CPE Configuration OR *cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:* versions from (including) 7.0.0.0 up to (including) 7.0.0.45 *cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:* versions from (including) 8.0.0.0 up to (including) 8.0.0.15 *cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* versions from (including) 8.5.0.0 up to (including) 8.5.5.19 *cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* versions from (including) 9.0.0.0 up to (including) 9.0.5.7
  • CVE Modified by [email protected]

    Apr. 21, 2021

    Action Type Old Value New Value
    Changed Description IBM WebSphere Application Server 7.0, 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: 196649. IBM WebSphere Application Server 7.0, 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: 196649.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-20454 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-2021-20454 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.22 }} 0.00%

score

0.59341

percentile

CVSS31 - Vulnerability Scoring System
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