What is CVE-2018-12309?

CVE-2018-12309 is a high-severity vulnerability in Asustor As602t, classified under Path Traversal. CVSS score: 7.5/10. Published 2018-12-04.

How severe is CVE-2018-12309?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Asustor As602t

CVE-2018-12309

Directory Traversal in upload.cgi in ASUSTOR ADM version 3.1.1 allows attackers to upload files to arbitrary locations by modifying the "path" URL parameter. NOTE: the "filename" POST parameter is covered by CVE-2018-11345.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2018-12-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.015 (73.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% 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

Asustor As602t
Asustor Data Master — versions 3.1.1

Weakness classification (CWE)

CWE-22 — Path Traversal

References

blog.securityevaluators.com/over-a-dozen-vulnerabilities-discovered-in-asustor-… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-12309?: CVE-2018-12309 is a high-severity vulnerability in Asustor As602t, classified under Path Traversal. CVSS score: 7.5/10. Published 2018-12-04.
How severe is CVE-2018-12309?: High severity. CVSS v3 base score is 7.5 out of 10.