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Fencer Vulns
high 7.2

CVE-2018-11340 json

An unrestricted file upload vulnerability in importuser.cgi in ASUSTOR AS6202T ADM 3.1.0.RFQ3 allows attackers to upload supplied data to a…

published 2018-05-22 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-3377

cvss
7.2
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

An unrestricted file upload vulnerability in importuser.cgi in ASUSTOR AS6202T ADM 3.1.0.RFQ3 allows attackers to upload supplied data to a specified filename. This can be used to place attacker controlled code on the file system that is then executed.

Exploit prediction

2.04% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • purehacking.com https://www.purehacking.com/blog/matthew-fulton/back-to-the-future-asustor-web-exploitation referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/mefulton/asustorexploit referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2018/May/2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.2 CVSS:3.0/AV:N/AC:L/PR:H/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.