What is CVE-2025-1101?

CVE-2025-1101 is a medium-severity vulnerability in Q-Free Maxtime, classified under Observable Response Discrepancy. CVSS score: 5.3/10. Published 2025-02-12.

How severe is CVE-2025-1101?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Q-Free Maxtime

CVE-2025-1101

A CWE-204 "Observable Response Discrepancy" in the login page in Q-Free MaxTime less than or equal to version 2.11.0 allows an unauthenticated remote attacker to enumerate valid usernames via crafted HTTP requests.

Published 2025-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Q-Free Maxtime — versions 0

Weakness classification (CWE)

CWE-204 — Observable Response Discrepancy

References

www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-1101 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-1101?: CVE-2025-1101 is a medium-severity vulnerability in Q-Free Maxtime, classified under Observable Response Discrepancy. CVSS score: 5.3/10. Published 2025-02-12.
How severe is CVE-2025-1101?: Medium severity. CVSS v3 base score is 5.3 out of 10.