What is CVE-2019-9886?

CVE-2019-9886 is a high-severity vulnerability in Broadlearning Eclass, classified under Path Traversal. CVSS score: 7.5/10. Published 2019-07-11.

How severe is CVE-2019-9886?

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

Path Traversal in Broadlearning Eclass

CVE-2019-9886

Any URLs with download_attachment.php under templates or home folders can allow arbitrary files downloaded without login in BroadLearning eClass before version ip.2.5.10.2.1.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2019-07-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.022 (82.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Broadlearning Eclass — versions ip
Eclass Ip

Weakness classification (CWE)

References

tvn.twcert.org.tw/taiwanvn/TVN-201906004 (Third Party Advisory)
surl.twcert.org.tw/aTxze (Third Party Advisory)
zeroday.hitcon.org/vulnerability/ZD-2019-00423 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-9886?: CVE-2019-9886 is a high-severity vulnerability in Broadlearning Eclass, classified under Path Traversal. CVSS score: 7.5/10. Published 2019-07-11.
How severe is CVE-2019-9886?: High severity. CVSS v3 base score is 7.5 out of 10.