CVE-2023-23591

Severity: medium (CVSS 4.9 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: 2023-04-12 · updated 2026-06-17
Weakness: CWE-532

Description

The Logback component in Terminalfour before 8.3.14.1 allows OS administrators to obtain sensitive information from application server logs when debug logging is enabled. The fixed versions are 8.2.18.7, 8.2.18.2.2, 8.3.11.1, and 8.3.14.1.

Affected products

Terminalfour: before 8.2.18.2.2; from 8.2.18.3 before 8.2.18.7; from 8.3.0 before 8.3.11.1; from 8.3.12 before 8.3.14.1 — fixed in 8.2.18.2.2, 8.2.18.7, 8.3.11.1, 8.3.14.1

How to fix

Upgrade to a fixed version: Terminalfour 8.2.18.2.2, 8.2.18.7, 8.3.11.1, 8.3.14.1. Check the vendor advisory for mitigations.

References

https://docs.terminalfour.com/articles/release-notes-highlights/
https://docs.terminalfour.com/release-notes/83/15.html
https://docs.terminalfour.com/articles/release-notes-highlights/
https://docs.terminalfour.com/release-notes/83/15.html

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