How severe is CVE-2021-45096?

CVE-2021-45096 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-45096 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45096?

CVE-2021-45096 affects Knime Knime Analytics Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45096?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-45096 published?

CVE-2021-45096 was published on 2021-12-16 and last updated on 2026-06-17.

CVE-2021-45096

CVE-2021-45096 is a medium-severity vulnerability in Knime Knime Analytics Platform with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
CVSS v2: 4.3
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Knime Knime Analytics Platform
Published: 2021-12-16
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2021-45096?: KNIME Analytics Platform before 4.5.0 is vulnerable to XXE (external XML entity injection) via a crafted workflow file (.knwf), aka AP-17730.
How severe is CVE-2021-45096?: CVE-2021-45096 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-45096 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45096?: CVE-2021-45096 affects Knime Knime Analytics Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45096?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45096 published?: CVE-2021-45096 was published on 2021-12-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:knime:knime_analytics_platform:*:*:*:*:*:*:*:*

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