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TI-2021-11727 Aliases CVE-2021-31645GHSA-983g-85mv-cf26

An issue was discovered in glFTPd 2.11a that allows remote attackers to cause a denial of…

Priority LOW 37CWE-770Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-770.

Summary

An issue was discovered in glFTPd 2.11a that allows remote attackers to cause a denial of service via exceeding the connection limit.

Why it matters now

EPSS 0.01958 80th 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:glftpd:glftpd:2.11a:*:*:*:*:*:*:*2.11aVulnerableGlftpd
  • cpe:2.3:a:glftpd:glftpd:2.11a:*:*:*:*:*:*:* Versions 2.11a Vulnerable ·Glftpd

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31645
  2. 2026-10-03 Alias added: GHSA-983g-85mv-cf26

References

Exploit 1

Advisory 1

  • TI-2000-00585 The privpath directive in glftpd 1.18 allows remote attackers to bypass access… CVSS 2.0HIGH 10.0
  • TI-2000-00040 glFtpD allows local users to gain privileges via metacharacters in the SITE ZIPCHK command. CVSS 2.0HIGH 10.0
  • TI-2000-00038 glFtpD includes a default glftpd user account with a default password and a UID of 0. CVSS 2.0HIGH 7.5
  • TI-2006-01212 Unspecified vulnerability in glFTPd before 2.01 RC5 allows remote attackers to bypass IP… CVSS 2.0HIGH 7.5
  • TI-2001-00921 glFTPD 1.23 allows remote attackers to cause a denial of service (CPU consumption) via a… CVSS 2.0MEDIUM 5.0
  • TI-2005-00440 Multiple directory traversal vulnerabilities in sitenfo.sh, sitezipchk.sh, and… CVSS 2.0MEDIUM 5.0

Sources

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