Vulnerability in Acat

CVE-2025-27725

Time-of-check time-of-use race condition for some ACAT before version 3.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a high complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires active user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-27725: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

  • Acat — versions before version 3.13

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-27725?
CVE-2025-27725 is a medium-severity vulnerability in Acat, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 4.4/10. Published 2025-11-11.
How severe is CVE-2025-27725?
Medium severity. CVSS v3 base score is 4.4 out of 10.