7.5
HIGH
CVE-2021-38951
IBM WebSphere Application Server DoS CPU Exhaustion
Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405.

INFO

Published Date :

Dec. 9, 2021, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 6:18 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-38951 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-2021-38951 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 aix
2 Ibm websphere_application_server
3 Ibm i
4 Ibm z\/os
1 Linux linux_kernel
1 Hp hp-ux
1 Oracle solaris
1 Microsoft windows
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-2021-38951.

URL Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/211405 VDB Entry Vendor Advisory
https://www.ibm.com/support/pages/node/6524674 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/211405 VDB Entry Vendor Advisory
https://www.ibm.com/support/pages/node/6524674 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

Updated: 8 months, 3 weeks 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-2021-38951 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-38951 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/211405
    Added Reference https://www.ibm.com/support/pages/node/6524674
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-400 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Dec. 14, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    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://exchange.xforce.ibmcloud.com/vulnerabilities/211405 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/211405 VDB Entry, Vendor Advisory
    Changed Reference Type https://www.ibm.com/support/pages/node/6524674 No Types Assigned https://www.ibm.com/support/pages/node/6524674 Vendor Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration AND OR *cpe:2.3:a:ibm:websphere_application_server:7.0:*:*:*:*:*:*:* *cpe:2.3:a:ibm:websphere_application_server:8.0:*:*:*:*:*:*:* *cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:* *cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:* OR cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* cpe:2.3:o:ibm:i:-:*:*:*:*:*:*:* cpe:2.3:o:ibm:z\/os:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:-:*
  • CVE Modified by [email protected]

    Dec. 09, 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 denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405. IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405.
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-2021-38951 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-2021-38951 weaknesses.

Exploit Prediction

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

0.13 }} 0.00%

score

0.48029

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability