CVE-2025-55055: Rumpus FTP Server · OS Command Injection
Affects Rumpus FTP ServerSource CVE Database V5
Not known to be exploited · CVSS 6.8 Medium.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 56% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 17 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Rumpus FTP Server | Affected
| Fixed in– |
AI-suggested
European organizations should immediately audit their use of Rumpus FTP Server version 9.0.12 and restrict access to trusted users only, enforcing the principle of least privilege. Implement strict input validation and sanitization on all user inputs interacting with the FTP server to prevent injection of malicious commands. Monitor logs for unusual command execution patterns or failed authentication attempts. Network segmentation should isolate FTP servers from critical internal systems to limit lateral movement. Employ multi-factor authentication to reduce risk from compromised credentials. Until an official patch is released, consider disabling or replacing the vulnerable FTP server with a more secure alternative. Regularly check vendor advisories for patches and apply them promptly. Conduct penetration testing focused on command injection vectors to validate defenses. Additionally, educate users about the risks of interacting with suspicious commands or files on the FTP server.
Description
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')