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Fencer Intel
high 7.5

CVE-2019-17537 json

Jiangnan Online Judge (aka jnoj) 0.8.0 has Directory Traversal for file deletion via the web/polygon/problem/deletefile?id=1&name=../ subst…

published 7y ago modified 4mo ago also EUVD-2019-7887

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

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

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Exploit prediction

1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/shi-yang/jnoj/issues/53 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.