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Fencer Intel
critical 9.8

CVE-2021-38611 json

A command-injection vulnerability in the Image Upload function of the NASCENT RemKon Device Manager 4.0.0.0 allows attackers to execute arb…

published 5y ago modified 4mo ago also EUVD-2021-25051

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

A command-injection vulnerability in the Image Upload function of the NASCENT RemKon Device Manager 4.0.0.0 allows attackers to execute arbitrary commands, as root, via shell metacharacters in the filename parameter to assets/index.php.

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Exploit prediction

1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • blacklanternsecurity.com https://www.blacklanternsecurity.com/2021-08-23-Nascent-RemKon-CVEs/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command

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.