CVE-2023-2541: Sensitive information disclosure in KNIME Hub Web Application

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-07 · updated 2026-06-17
Weakness: CWE-497

Description

The Web Frontend of KNIME Business Hub before 1.4.0 allows an unauthenticated remote attacker to access internals about the application such as versions, host names, or IP addresses. No personal information or application data was exposed.

Affected products

KNIME Business Hub: before 1.4.0 — fixed in 1.4.0

How to fix

Upgrade to a fixed version: KNIME Business Hub 1.4.0. Check the vendor advisory for mitigations.

References

https://www.knime.com/security/advisories#CVE-2023-2541
https://zigrin.com/advisories/knime-business-hub-sensitive-information-disclosure/
https://www.knime.com/security/advisories#CVE-2023-2541
https://zigrin.com/advisories/knime-business-hub-sensitive-information-disclosure/

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