CVE-2007-4646

NONECVSS 0.0Trending — 3 sources updated this weekWeaponized

0.0

Buffer overflow in the pop3 service in Hexamail Server 3.0.0.001 Lite allows remote attackers to cause a denial of service (daemon crash) and probably execute arbitrary code via a long USER command.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 96.6%
KEV: Not listed

Published

August 31, 2007

Last Modified

April 23, 2026

References (12)

cve@mitrehttp://secunia.com/advisories/26666
cve@mitrehttp://www.securityfocus.com/bid/25496
cve@mitrehttp://www.securitytracker.com/id?1018637
cve@mitrehttp://www.vupen.com/english/advisories/2007/3044
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/36369
cve@mitrehttps://www.exploit-db.com/exploits/4344
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26666
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/25496
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1018637
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/3044
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/36369
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/4344

Weakness Classification(1)

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

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 15× 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.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 01:07 UTCEG score recompute
2026-05-31 01:07 UTCGHSA enrichment
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
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-4344✓ verified
First seen Aug 30, 2007
Hexamail Server 3.0.0.001 - 'pop3' Remote Overflow (PoC)
Open source ↗

Frequently asked(4)

What is CVE-2007-4646?

CVE-2007-4646 is a none vulnerability published on August 31, 2007. Buffer overflow in the pop3 service in Hexamail Server 3.0.0.001 Lite allows remote attackers to cause a denial of service (daemon crash) and probably execute arbitrary code via a long USER command.

When was CVE-2007-4646 disclosed?

CVE-2007-4646 was first published in the National Vulnerability Database on August 31, 2007, 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-2007-4646 actively exploited?

CVE-2007-4646 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2007-4646?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-4646, 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-2007-4646

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

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🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (12)

Frequently asked(4)

Related CVEs(same CWE)