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Fencer Intel
high 7.4

CVE-2020-7847 json

The ipTIME NAS product allows an arbitrary file upload vulnerability in the Manage Bulletins/Upload feature, which can be leveraged to gain…

published 5y ago modified 4mo ago also EUVD-2020-28779

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

The ipTIME NAS product allows an arbitrary file upload vulnerability in the Manage Bulletins/Upload feature, which can be leveraged to gain remote code execution. This issue affects: pTIME NAS 1.4.36.

Patch / fix

  • iptime nas-i_firmware 1.4.36
  • iptime nas-ii_firmware 1.4.36
  • iptime nas-iie_firmware 1.4.36
  • iptime nas101_firmware 1.4.36
  • iptime nas1dual_firmware 1.4.36
  • iptime nas2dual_firmware 1.4.36
  • iptime nas3_firmware 1.4.36
  • iptime nas4_firmware 1.4.36
  • iptime nas4dual_firmware 1.4.36

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Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.2 AV:A/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • EFM Networks ipTIME NAS

Classification

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

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.