What is the CVSS score of CVE-2021-20502?

CVE-2021-20502 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L. EPSS exploitation probability: 1.4%.

Is there a patch available for CVE-2021-20502?

Yes, a patch is available for CVE-2021-20502. Update the affected software to the latest version immediately.

Engineering Lifecycle Management CVE-2021-20502

HIGH

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

2021-03-30 psirt@us.ibm.com

IBM XXE Engineering Lifecycle Management Rational Team Concert Rational Engineering Lifecycle Manager Engineering Workflow Management Engineering Requirements Quality Assistant On Premises Engineering Insights

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

Lifecycle Timeline

CVE Published

Mar 30, 2021 - 17:15 nvd

HIGH 7.1

DescriptionNVD

IBM Jazz Foundation Products are 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: 198059.

AnalysisAI

IBM Jazz Foundation Products are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. This XML External Entity (XXE) vulnerability could allow attackers to read arbitrary files or perform SSRF through XML processing.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. IBM Jazz Foundation Products are 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: 198059. Affected products include: Ibm Engineering Insights, Ibm Engineering Lifecycle Management, Ibm Engineering Requirements Quality Assistant On-Premises, Ibm Engineering Workflow Management, Ibm Rational Engineering Lifecycle Manager.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Disable external entity processing in XML parsers, use JSON instead of XML where possible.