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CVE-2023-23591

19
FAUCET Score

CVE-2023-23591 is a medium-severity vulnerability affecting Terminalfour versions prior to 8.3.14.1, where the Logback component can expose sensitive information from application server logs if debug logging is enabled. An attacker with OS administrator privileges can exploit this to achieve high confidentiality impact. While the CVSS score is 4.9, indicating a moderate risk, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.2.18.2.2CPE matchmatch criteria
cpe:2.3:a:terminalfour:terminalfour:*:*:*:*:*:*:*:*
>= 8.2.18.3, < 8.2.18.7CPE matchmatch criteria
cpe:2.3:a:terminalfour:terminalfour:*:*:*:*:*:*:*:*
>= 8.3.0, < 8.3.11.1CPE matchmatch criteria
cpe:2.3:a:terminalfour:terminalfour:*:*:*:*:*:*:*:*
>= 8.3.12, < 8.3.14.1CPE matchmatch criteria
cpe:2.3:a:terminalfour:terminalfour:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 42nd percentile among its peer group of 3,562 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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

docs.terminalfour.com / articles/release-notes-highlights
Release Notes
docs.terminalfour.com / release-notes/83/15.html
Release Notes