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TI-2021-18342 Aliases CVE-2021-41635GHSA-pqhm-v6xw-4qxm

When installed as Windows service MELAG FTP Server 2.2.0.4 is run as SYSTEM user, which…

Priority MEDIUM 42CWE-276Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

When installed as Windows service MELAG FTP Server 2.2.0.4 is run as SYSTEM user, which grants remote attackers to abuse misconfigurations or vulnerabilities with administrative access over the entire host system.

Why it matters now

EPSS 0.02136 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:melag:ftp_server:2.2.0.4:*:*:*:*:*:*:*2.2.0.4VulnerableMelag
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:melag:ftp_server:2.2.0.4:*:*:*:*:*:*:* Versions 2.2.0.4 Vulnerable ·Melag
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41635
  2. 2026-10-03 Alias added: GHSA-pqhm-v6xw-4qxm

References

Exploit 1

  • TI-2021-18345 The authentication checks of the MELAG FTP Server in version 2.2.0.4 are incomplete… CVSS 3.1HIGH 7.5
  • TI-2021-18343 MELAG FTP Server 2.2.0.4 allows an attacker to use the CWD command to break out of the… CVSS 3.1MEDIUM 6.5
  • TI-2021-18344 Weak access control permissions in MELAG FTP Server 2.2.0.4 allow the "Everyone" group to… CVSS 3.1HIGH 7.1
  • TI-2021-18341 A user enumeration vulnerability in MELAG FTP Server 2.2.0.4 allows an attacker to identify valid FTP usernames. CVSS 3.1MEDIUM 5.3
  • TI-2021-18346 MELAG FTP Server 2.2.0.4 stores unencrpyted passwords of FTP users in a local configuration file. CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences