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Fencer Vulns
high 8.8

CVE-2020-14022 json

Ozeki NG SMS Gateway 4.17.1 through 4.17.6 does not check the file type when bulk importing new contacts ("Import Contacts" functionality)…

published 2020-09-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6188

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Ozeki NG SMS Gateway 4.17.1 through 4.17.6 does not check the file type when bulk importing new contacts ("Import Contacts" functionality) from a file. It is possible to upload an executable or .bat file that can be executed with the help of a functionality (E.g. the "Application Starter" module) within the application.

Exploit prediction

1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-14022-Dangerous%20File%20Upload-Ozeki%20SMS%20Gateway referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.