Path Traversal in Jnoj Jiangnan Online Judge

CVE-2019-17538

Jiangnan Online Judge (aka jnoj) 0.8.0 has Directory Traversal for file reading via the web/polygon/problem/viewfile?id=1&name=../ substring.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

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: 0.113 (95.9th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-17538: held from 0.113 to 0.113.

EPSS over last 30 days · oldest: 0.113 · newest: 0.113 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-17538?
CVE-2019-17538 is a high-severity vulnerability in Jnoj Jiangnan Online Judge, classified under Path Traversal. CVSS score: 7.5/10. Published 2019-10-13.
How severe is CVE-2019-17538?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-17538 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.