What is CVE-2017-15644?

CVE-2017-15644 is a high-severity vulnerability in Webmin, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2017-10-19.

How severe is CVE-2017-15644?

High severity. CVSS v3 base score is 8.6 out of 10.

SSRF in Webmin

CVE-2017-15644

SSRF exists in Webmin 1.850 via the PATH_INFO to tunnel/link.cgi, as demonstrated by a GET request for tunnel/link.cgi/http://INTRANET-IP:8000.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2017-10-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.089 (95.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.089 · newest: 0.089 · change: 0.000

Affected products

Webmin

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

www.webmin.com/security.html (Vendor Advisory)
github.com/webmin/webmin/commit/0c58892732ee7610a7abba5507614366d382c9c9 (Patch, Third Party Advisory)
blogs.securiteam.com/index.php/archives/3430 (Exploit, Third Party Advisory)
www.webmin.com/changes.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2017-15644?: CVE-2017-15644 is a high-severity vulnerability in Webmin, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2017-10-19.
How severe is CVE-2017-15644?: High severity. CVSS v3 base score is 8.6 out of 10.