How severe is CVE-2023-3140?

CVE-2023-3140 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-3140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3140?

CVE-2023-3140 affects Knime Business Hub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3140?

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

When was CVE-2023-3140 published?

CVE-2023-3140 was published on 2023-06-07 and last updated on 2026-06-17.

CVE-2023-3140

CVE-2023-3140 is a medium-severity vulnerability in Knime Business Hub with a CVSS 3.x base score of 4.3. 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-1021.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Knime Business Hub
Published: 2023-06-07
Last modified: 2026-06-17

Description

Missing HTTP headers (X-Frame-Options, Content-Security-Policy) in KNIME Business Hub before 1.4.0 has left users vulnerable to click jacking. Clickjacking is an attack that occurs when an attacker uses a transparent iframe in a window to trick a user into clicking on an actionable item, such as a button or link, to another server in which they have an identical webpage. The attacker essentially hijacks the user activity intended for the original server and sends them to the other server.

Frequently asked questions

What is CVE-2023-3140?: Missing HTTP headers (X-Frame-Options, Content-Security-Policy) in KNIME Business Hub before 1.4.0 has left users vulnerable to click jacking. Clickjacking is an attack that occurs when an attacker uses a transparent iframe in a window to trick a user into clicking on an actionable item, such as a button or link, to another server in which they have an identical webpage. The attacker essentially hijacks the user activity intended for the original server and sends them to the other server.
How severe is CVE-2023-3140?: CVE-2023-3140 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-3140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3140?: CVE-2023-3140 affects Knime Business Hub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3140 published?: CVE-2023-3140 was published on 2023-06-07 and last updated on 2026-06-17.

References

https://www.knime.com/security/advisories#CVE-2023-3140

Affected products (1)

cpe:2.3:a:knime:business_hub:*:*:*:*:*:*:*:*

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