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CVE-2021-45096

18
FAUCET Score

CVE-2021-45096 is an XML External Entity (XXE) injection vulnerability affecting KNIME Analytics Platform versions prior to 4.5.0, exploitable through specially crafted workflow files (.knwf). This medium-severity vulnerability (CVSS 4.3) requires user interaction (UI:R) and could lead to limited confidentiality impact (C:L) if a malicious workflow is opened. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.5.0CPE matchmatch criteria
cpe:2.3:a:knime:knime_analytics_platform:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 74th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / dawid-czarnecki/public-vulnerabilities
Third Party Advisory
knime.com / changelog-v45
Release Notes
knime.com / whats-new-in-knime-45
Product
zigrin.com / advisories/knime-analytics-platform-external-xml-entity-injection