CVE-2009-1668

NONECVSS 0.0Trending — 3 sources updated this weekWeaponized

0.0

TYPSoft FTP Server 1.11 allows remote attackers to cause a denial of service (CPU consumption) by sending an ABOR (abort) command without an active file transfer.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 84.4%
KEV: Not listed

Published

May 18, 2009

Last Modified

April 23, 2026

References (6)

cve@mitrehttp://www.securityfocus.com/bid/34901
cve@mitrehttp://www.securitytracker.com/id?1022202
cve@mitrehttps://www.exploit-db.com/exploits/8650
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/34901
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1022202
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/8650

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:09 UTCepss_batch
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2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
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2026-05-31 22:28 UTCepss_batch
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2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 16:49 UTCEG score recompute
2026-05-30 16:49 UTCGHSA enrichment
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-27 13:38 UTCepss_batch
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2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-8650✓ verified
First seen May 11, 2009
TYPSoft FTP Server 1.11 - 'ABORT' Remote Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2009-1668?

CVE-2009-1668 is a none vulnerability published on May 18, 2009. TYPSoft FTP Server 1.11 allows remote attackers to cause a denial of service (CPU consumption) by sending an ABOR (abort) command without an active file transfer.

When was CVE-2009-1668 disclosed?

CVE-2009-1668 was first published in the National Vulnerability Database on May 18, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-1668 actively exploited?

CVE-2009-1668 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-1668?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-1668, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2009-1668

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-1668?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(4)

Related CVEs(same CWE)