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CVE-2021-45097

20
FAUCET Score

CVE-2021-45097 describes a vulnerability in KNIME Server versions prior to 4.12.6 and 4.13.4 (when installed in unattended mode), where the administrator's password is stored in a file with insufficient access controls, allowing any local user to read it. This is a medium severity vulnerability (CVSS 5.5) with a low attack complexity, requiring local access to the system, and primarily impacting confidentiality by exposing sensitive credentials. While the potential impact is high for confidentiality, there is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.12.5CPE matchmatch criteria
cpe:2.3:a:knime:knime_server:*:*:*:*:*:*:*:*
>= 4.13, < 4.13.4CPE matchmatch criteria
cpe:2.3:a:knime:knime_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

2.9LOW

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.4
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 55th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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/tree/master/KNIME/CVE-weak-file-permission
Broken Link
zigrin.com / advisories/knime-server-weak-file-permissions