Cyber Resilience

CVE-2021-20502

High

Published: 30 March 2021

Published
30 March 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
EPSS Score 0.0027 50.5th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-20502 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Ibm Engineering Insights. Its CVSS base score is 7.1 (High).

Operationally, ranked in the top 49.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-611

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ibm
engineering insights
7.0, 7.0.1, 7.0.2
ibm
engineering lifecycle management
7.0
ibm
engineering requirements quality assistant on-premises
all versions
ibm
engineering workflow management
7.0.0, 7.0.1, 7.0.2
ibm
rational engineering lifecycle manager
6.0.2, 6.0.6, 6.0.6.1
ibm
rational team concert
6.0.6, 6.0.6.1, 6.0.6.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-611

Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.

SI-4 System Monitoring
addresses: CWE-611

Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.

References