CVE-2021-20492

Severity CVSS v4.0:

Pending analysis

Type:

CWE-611 Improper Restriction of XML External Entity Reference ('XXE')

Publication date:

26/05/2021

Last modified:

04/06/2021

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 8.20 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): Low

Base Score 3.x

8.20

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): Physical

Base Score 2.0

6.40

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:ibm:websphere_application_server::::::::	8.0.0.0 (including)	8.0.0.15 (including)
cpe:2.3:a:ibm:websphere_application_server::::::::	8.5.0.0 (including)	8.5.5.19 (including)
cpe:2.3:a:ibm:websphere_application_server::::::::	9.0.0.0 (including)	9.0.5.7 (including)
cpe:2.3:a:ibm:websphere_application_server:::::liberty:::*	17.0.0.3 (including)	21.0.0.5 (including)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-20492

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools