CVE-2000-0343

NONECVSS 0.0Weaponized

0.0

Buffer overflow in Sniffit 0.3.x with the -L logging option enabled allows remote attackers to execute arbitrary commands via a long MAIL FROM mail header.

CVSS v3: —
EG Score: —
EPSS: 92.5%
KEV: Not listed

Published

May 2, 2000

Last Modified

April 16, 2026

References (4)

cve@mitrehttp://www.securityfocus.com/bid/1158
cve@mitrehttp://www.securityfocus.com/templates/archive.pike?list=1&msg=200005021736.TAA01991%40ALuSSi
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1158
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/templates/archive.pike?list=1&msg=200005021736.TAA01991%40ALuSSi

Data Freshness Timeline

(refreshed 14× 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.

2026-05-29 13:40 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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2026-05-22 21:15 UTCepss_batch
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2026-05-18 21:29 UTCepss_batch
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Publicly available exploits

(3 references)

Working exploit code is in the public domain (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-19888✓ verified
First seen Jan 18, 2002
Brecht Claerhout Sniffit 0.3.6 HIP/0.3.7 Beta - Mail Logging Buffer Overflow (3)
Open source ↗
Exploit-DBEDB-19886✓ verified
First seen May 2, 2000
Brecht Claerhout Sniffit 0.3.6 HIP/0.3.7 Beta - Mail Logging Buffer Overflow (1)
Open source ↗
Exploit-DBEDB-19887✓ verified
First seen May 2, 2000
Brecht Claerhout Sniffit 0.3.6 HIP/0.3.7 Beta - Mail Logging Buffer Overflow (2)
Open source ↗

Frequently asked(4)

What is CVE-2000-0343?

CVE-2000-0343 is a none vulnerability published on May 2, 2000. Buffer overflow in Sniffit 0.3.x with the -L logging option enabled allows remote attackers to execute arbitrary commands via a long MAIL FROM mail header.

When was CVE-2000-0343 disclosed?

CVE-2000-0343 was first published in the National Vulnerability Database on May 2, 2000, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2000-0343 actively exploited?

CVE-2000-0343 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 92.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0343?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0343, 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-2000-0343

📅 Published

🔄 Last Modified

🔗 References (4)