PT-2021-13974 · Ibm · Ibm Websphere Application Server

Longofo + 1 · Published 2021-04-20 · Updated 2022-05-03 · CVE-2021-20453

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Name of the Vulnerable Software and Affected Versions: IBM WebSphere Application Server versions 8.0 through 9.0

Description: The issue allows a remote attacker to perform an XML External Entity Injection (XXE) attack when the software processes XML data. This could lead to the exposure of sensitive information or the consumption of memory resources.

Recommendations: For versions 8.0 through 9.0, update to a version that includes a fix for this issue to prevent XXE attacks. As a temporary workaround, consider restricting the processing of external XML entities to minimize the risk of exploitation.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2021-20453

Affected Products

Ibm Websphere Application Server

References · 4

• https://ibm.com/support/pages/node/6445171 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20453 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20453 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/196648 · Vendor Advisory