PT-2021-13906 · Ibm · Ibm Websphere Application Server

Longofo + 1 · Published 2021-02-10 · Updated 2021-02-12 · CVE-2021-20353

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 7.0 through 9.0

Description: The issue is related to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this to expose sensitive information or consume memory resources.

Recommendations: For versions 7.0 through 9.0, update to a version that includes a fix for the XML External Entity Injection vulnerability. As a temporary workaround, consider restricting the processing of XML data from untrusted sources to minimize the risk of exploitation.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2021-20353

ZDI-21-174

Affected Products

Ibm Websphere Application Server

References · 7

• https://ibm.com/support/pages/node/6413709 · Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/194882 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-174 · Security Note
• https://osv.dev/vulnerability/CVE-2021-20353 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20353 · Security Note
• https://t.me/cibsecurity/23379 · Telegram Post
• https://t.me/cvenotify/9827 · Telegram Post