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Fencer Intel
high 7.1

CVE-2021-41637 json

Weak access control permissions in MELAG FTP Server 2.2.0.4 allow the "Everyone" group to read the local FTP configuration file, which incl…

published 4y ago modified 4mo ago also EUVD-2021-28650

cvss
7.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

Summary

Weak access control permissions in MELAG FTP Server 2.2.0.4 allow the "Everyone" group to read the local FTP configuration file, which includes among other information the unencrypted passwords of all FTP users.

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Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • securesystems.de https://www.securesystems.de/blog/advisory-and-exploitation-the-melag-ftp-server/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 3.6 AV:L/AC:L/Au:N/C:P/I:P/A:N

Classification

Weakness
  • CWE-276 Incorrect Default Permissions

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.