Security Bulletin: XML External Entity Injection (XXE) Vulnerability Affects IBM Secure External Authentication Server (CVE-2020-4462)

Summary

An XXE vulnerability was addressed by IBM Secure External Authentication Server.

Vulnerability Details

CVEID:CVE-2020-4462
**DESCRIPTION:**IBM Sterling External Authentication Server and IBM Sterling Secure Proxy 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.
CVSS Base score: 8.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181482 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

Product

|

VRMF

|

iFix

|

Remediation/First Fix

—|—|—|—

IBM Secure External Authentication Server

|

6.0.1.1

|

GA

|

Fix Central

IBM Secure External Authentication Server

|

6.0.0.1

|

iFix 4

|

Fix Central

IBM Sterling External Authentication Server

|

2.4.3.2

|

iFix 8

|

Fix Central

IBM Sterling External Authentication Server

|

2.4.2.0

|

iFix 17

|

Fix Central

Workarounds and Mitigations

None