What is CVE-2015-2079?

CVE-2015-2079 is a critical-severity vulnerability in Usermin, classified under Improper Neutralization of Directives in Statically Saved Code (Static Code Injection). CVSS score: 9.9/10. Published 2025-04-28.

How severe is CVE-2015-2079?

Critical severity. CVSS v3 base score is 9.9 out of 10.

RCE in Usermin

CVE-2015-2079

Usermin 0.980 through 1.x before 1.660 allows uconfig_save.cgi sig_file_free remote code execution because it uses the two argument (not three argument) form of Perl open.

Published 2025-04-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (74.5th percentile), scored 2026-10-21.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000

Affected products

Usermin — versions 0.980
Webmin Usermin

Weakness classification (CWE)

References

code-white.com/public-vulnerability-list/ (Third Party Advisory)
code-white.com/blog/2015-05-cve-2015-2079-rce-usermin/ (Exploit)

Frequently asked questions

What is CVE-2015-2079?: CVE-2015-2079 is a critical-severity vulnerability in Usermin, classified under Improper Neutralization of Directives in Statically Saved Code (Static Code Injection). CVSS score: 9.9/10. Published 2025-04-28.
How severe is CVE-2015-2079?: Critical severity. CVSS v3 base score is 9.9 out of 10.