CVE-2021-20492 - Improper Restriction of XML External Entity Reference

Severity

82%

Complexity

39%

Confidentiality

70%

IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 197793.

CVSS 3.1 Base Score 8.2. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).

CVSS 2.0 Base Score 6.4. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:P).

Overview

First reported 3 years ago

2021-05-26 17:15:00

Last updated 3 years ago

2021-06-04 17:10:00

Affected Software

IBM WebSphere Application Server

IBM WebSphere Application Server Liberty Edition

References

ibm-was-cve202120492-xxe (197793)

https://www.ibm.com/support/pages/node/6456017

ibm-was-cve202120492-xxe (197793)

VDB Entry, Vendor Advisory

https://www.ibm.com/support/pages/node/6456017

Patch, Vendor Advisory

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