THREATPORT/VULNERABILITY/CVE-2019-17538
HIGH SEVERITY

CVE-2019-17538

Jiangnan Online Judge vulnerability

CVSS
7.5
EPSS
11.5%
EPSS pct
96th
Exploited
No known
Jiangnan Online Judge (aka jnoj) 0.8.0 has Directory Traversal for file reading via the web/polygon/problem/viewfile?id=1&name=../ substring.
Affected vendor
Jnoj
Affected product
Jiangnan Online Judge
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness type (CWE)
Published
2019-10-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 11.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2019-17538

  • Confirm whether Jnoj Jiangnan Online Judge is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-17538.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-17538

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-17538 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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