fkie_cve-2010-20103
Vulnerability from fkie_nvd
Published
2025-08-20 16:15
Modified
2025-08-22 18:09
Severity ?
Summary
A malicious backdoor was embedded in the official ProFTPD 1.3.3c source tarball distributed between November 28 and December 2, 2010. The backdoor implements a hidden FTP command trigger that, when invoked, causes the server to execute arbitrary shell commands with root privileges. This allows remote, unauthenticated attackers to run any OS command on the FTP server host.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A malicious backdoor was embedded in the official ProFTPD 1.3.3c source tarball distributed between November 28 and December 2, 2010. The backdoor implements a hidden FTP command trigger that, when invoked, causes the server to execute arbitrary shell commands with root privileges. This allows remote, unauthenticated attackers to run any OS command on the FTP server host."
},
{
"lang": "es",
"value": "Una puerta trasera maliciosa se integr\u00f3 en official ProFTPD 1.3.3c source tarball, distribuido entre el 28 de noviembre y el 2 de diciembre de 2010. Esta puerta trasera implementa un disparador de comandos FTP oculto que, al ser invocado, provoca que el servidor ejecute comandos de shell arbitrarios con privilegios de root. Esto permite a atacantes remotos no autenticados ejecutar cualquier comando del sistema operativo en el host del servidor FTP."
}
],
"id": "CVE-2010-20103",
"lastModified": "2025-08-22T18:09:17.710",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "disclosure@vulncheck.com",
"type": "Secondary"
}
]
},
"published": "2025-08-20T16:15:34.137",
"references": [
{
"source": "disclosure@vulncheck.com",
"url": "http://www.proftpd.org/"
},
{
"source": "disclosure@vulncheck.com",
"url": "https://advisories.checkpoint.com/defense/advisories/public/2011/cpai-2010-151.html/"
},
{
"source": "disclosure@vulncheck.com",
"url": "https://github.com/proftpd/proftpd"
},
{
"source": "disclosure@vulncheck.com",
"url": "https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/ftp/proftpd_133c_backdoor.rb"
},
{
"source": "disclosure@vulncheck.com",
"url": "https://web.archive.org/web/20111107212129/http://rsync.proftpd.org/"
},
{
"source": "disclosure@vulncheck.com",
"url": "https://www.exploit-db.com/exploits/15662"
},
{
"source": "disclosure@vulncheck.com",
"url": "https://www.exploit-db.com/exploits/16921"
},
{
"source": "disclosure@vulncheck.com",
"url": "https://www.vulncheck.com/advisories/proftpd-backdoor-command-execution"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"url": "https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/ftp/proftpd_133c_backdoor.rb"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"url": "https://www.exploit-db.com/exploits/15662"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"url": "https://www.exploit-db.com/exploits/16921"
}
],
"sourceIdentifier": "disclosure@vulncheck.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-912"
}
],
"source": "disclosure@vulncheck.com",
"type": "Secondary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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