What is CVE-2024-55578?

CVE-2024-55578 is a medium-severity vulnerability in Zammad, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.3/10. Published 2024-12-09.

How severe is CVE-2024-55578?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Zammad

CVE-2024-55578

Zammad before 6.4.1 places sensitive data (such as auth_microsoft_office365_credentials and application_secret) in log files.

Published 2024-12-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Zammad — versions 6.4.0

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

zammad.com/en/advisories/zaa-2024-05 (Vendor Advisory)

Frequently asked questions

What is CVE-2024-55578?: CVE-2024-55578 is a medium-severity vulnerability in Zammad, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.3/10. Published 2024-12-09.
How severe is CVE-2024-55578?: Medium severity. CVSS v3 base score is 4.3 out of 10.