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Fencer Vulns
medium 6.3

CVE-2022-3939 json

lanyulei ferry API file.go path traversal

published 2022-11-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43273

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

A vulnerability, which was classified as critical, has been found in lanyulei ferry. Affected by this issue is some unknown functionality of the file apis/public/file.go of the component API. The manipulation of the argument file leads to path traversal. The attack may be launched remotely. VDB-213446 is the identifier assigned to this vulnerability.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • lanyulei ferry

Classification

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

References

Sources

Fencer Vulns 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.