Vulnerability in Tokuhirom Amon2

CVE-2025-15604

Amon2 versions before 6.17 for Perl use an insecure random_string implementation for security functions. In versions 6.06 through 6.16, the random_string function will attempt to read bytes from the /dev/urandom device, but if that is una…

EPSS: 0.005 (40.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-15604?
CVE-2025-15604 is a critical-severity vulnerability in Tokuhirom Amon2, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.8/10. Published 2026-03-28.
How severe is CVE-2025-15604?
Critical severity. CVSS v3 base score is 9.8 out of 10.