PT-2021-13935 · Ibm · Ibm Qradar Siem

Chris Shepherd + 7 · Published 2021-07-27 · Updated 2021-08-04 · CVE-2021-20399

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: IBM Qradar SIEM versions 7.3.0 through 7.3.3 Patch 8 IBM Qradar SIEM versions 7.4.0 through 7.4.3 GA

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 IBM Qradar SIEM versions 7.3.0 through 7.3.3 Patch 8, update to a version that includes the fix for the XML External Entity Injection vulnerability. For IBM Qradar SIEM versions 7.4.0 through 7.4.3 GA, update to a version that includes the fix for the XML External Entity Injection vulnerability. As a temporary workaround, consider restricting the processing of XML data to minimize the risk of exploitation.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2021-20399

Affected Products

Ibm Qradar Siem

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-20399 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/196073 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20399 · Vendor Advisory
• https://ibm.com/support/pages/node/6475263 · Vendor Advisory
• https://t.me/cvenotify/18186 · Telegram Post
• https://t.me/cibsecurity/26540 · Telegram Post