CVE-2021-45097

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-16 · updated 2026-06-17
Weakness: CWE-522

Description

KNIME Server before 4.12.6 and 4.13.x before 4.13.4 (when installed in unattended mode) keeps the administrator's password in a file without appropriate file access controls, allowing all local users to read its content.

Affected products

KNIME Server: through 4.12.5; from 4.13 before 4.13.4 — fixed in 4.13.4

How to fix

Upgrade to a fixed version: KNIME Server 4.13.4. Check the vendor advisory for mitigations.

References

https://github.com/dawid-czarnecki/public-vulnerabilities/tree/master/KNIME/CVE-weak-file-permission
https://zigrin.com/advisories/knime-server-weak-file-permissions/
https://github.com/dawid-czarnecki/public-vulnerabilities/tree/master/KNIME/CVE-weak-file-permission
https://zigrin.com/advisories/knime-server-weak-file-permissions/

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