Cyber Resilience

CVE-2021-45096

Medium

Published: 16 December 2021

Published
16 December 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
EPSS Score 0.0033 56.2th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45096 is a medium-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Knime Knime Analytics Platform. Its CVSS base score is 4.7 (Medium).

Operationally, ranked in the top 43.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

KNIME Analytics Platform before 4.5.0 is vulnerable to XXE (external XML entity injection) via a crafted workflow file (.knwf), aka AP-17730.

CWE(s)
CWE-611

Related Threats

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

Affected Assets

knime
knime analytics platform
≤ 4.5.0

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