CVE-2021-20354
IBM WebSphere Application Server Directory Traversal Vulnerability
Description
IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 194883.
INFO
Published Date :
Feb. 18, 2021, 3:15 p.m.
Last Modified :
Nov. 21, 2024, 5:46 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2021-20354
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Upgrade to IBM WebSphere Application Server 8.5.5.20, 9.0.5.7, or later. Alternatively, upgrade to the minimal fix pack levels required by the interim fix and then apply Interim Fix PH33648.
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-2021-20354.
| URL | Resource |
|---|---|
| https://exchange.xforce.ibmcloud.com/vulnerabilities/194883 | VDB Entry Vendor Advisory |
| https://www.ibm.com/support/pages/node/6415959 | Patch Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/194883 | VDB Entry Vendor Advisory |
| https://www.ibm.com/support/pages/node/6415959 | Patch Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20354 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-2021-20354
weaknesses.
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-2021-20354 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20354 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/194883 Added Reference https://www.ibm.com/support/pages/node/6415959 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Feb. 22, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/194883 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/194883 VDB Entry, Vendor Advisory Changed Reference Type https://www.ibm.com/support/pages/node/6415959 No Types Assigned https://www.ibm.com/support/pages/node/6415959 Patch, Vendor Advisory Added CWE NIST CWE-22 Added CPE Configuration AND OR *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) 9.0.5.6 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]
Feb. 18, 2021
Action Type Old Value New Value Changed Description IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 194883. IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 194883.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 5.9
Base CVSS Score: 7.8
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.29 }} -0.17%
score
0.51756
percentile