high
7.1
CWE
611
Advisory Published
CVE Published
Updated

CVE-2021-20502: XEE

First published: Mon Mar 29 2021(Updated: )

IBM Engineering Lifecycle Optimization - Engineering Insights 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.

Credit: psirt@us.ibm.com

Affected SoftwareAffected VersionHow to fix
IBM ENI=7.0
IBM ENI=7.0.1
IBM ENI=7.0.2
IBM Engineering Lifecycle Management=7.0
IBM Engineering Requirements Quality Assistant On-Premises
IBM Engineering Workflow Management=7.0.0
IBM Engineering Workflow Management=7.0.1
IBM Engineering Workflow Management=7.0.2
IBM Rational Engineering Lifecycle Manager=6.0.2
IBM Rational Engineering Lifecycle Manager=6.0.6
IBM Rational Engineering Lifecycle Manager=6.0.6.1
IBM Rational Team Concert=6.0.6
IBM Rational Team Concert=6.0.6.1
IBM Rational Team Concert=6.0.6.2
<=7.0.2
<=7.0.1
<=6.0.2
<=6.0.6.1
<=7.0
<=6.0.6
<=6.0.6.1
<=7.0.1
<=6.0.6
<=7.0
<=6.0.2
<=7.0.2
<=All

Remedy

https://www.ibm.com/support/pages/node/6437579

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is vulnerability CVE-2021-20502?

    Vulnerability CVE-2021-20502 refers to an XML External Entity Injection (XXE) attack vulnerability in IBM Engineering Lifecycle Optimization - Engineering Insights.

  • How severe is CVE-2021-20502?

    CVE-2021-20502 has a severity rating of 7.1, which is classified as high.

  • Which IBM products are affected by CVE-2021-20502?

    IBM Engineering Workflow Management (EWM), Rational Team Concert (RTC), Rational Engineering Lifecycle Manager (RELM), Engineering Requirements Quality Assistant On-Premises, Engineering Insights (ENI), and Engineering Lifecycle Management (ELM) versions 6.0.2, 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 are affected by CVE-2021-20502.

  • How can CVE-2021-20502 be exploited?

    CVE-2021-20502 can be exploited by a remote attacker through an XML External Entity Injection (XXE) attack, which can lead to sensitive information exposure or memory resource consumption.

  • Where can I find more information about CVE-2021-20502?

    More information about CVE-2021-20502 can be found at the following references: [IBM X-Force](https://exchange.xforce.ibmcloud.com/vulnerabilities/198059) and [IBM Support Page](https://www.ibm.com/support/pages/node/6437579).

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