CVE-2003-0344

NONECVSS 0.0Weaponized

0.0

Buffer overflow in Microsoft Internet Explorer 5.01, 5.5, and 6.0 allows remote attackers to execute arbitrary code via / (slash) characters in the Type property of an Object tag in a web page.

CVSS v3: —
EG Score: —
EPSS: 99.4%
KEV: Not listed

Published

June 16, 2003

Last Modified

April 16, 2026

References (14)

cve@mitrehttp://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006401.html
cve@mitrehttp://marc.info/?l=bugtraq&m=105476381609135&w=2
cve@mitrehttp://secunia.com/advisories/8943
cve@mitrehttp://www.eeye.com/html/Research/Advisories/AD20030604.html
cve@mitrehttp://www.kb.cert.org/vuls/id/679556
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-020
cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A922
af854a3a-2127-422b-91ae-364da2661108http://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006401.html
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=105476381609135&w=2
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/8943
af854a3a-2127-422b-91ae-364da2661108http://www.eeye.com/html/Research/Advisories/AD20030604.html
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/679556
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-020
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A922

Data Freshness Timeline

(refreshed 8× in last 7d / 11× 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
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
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-16581✓ verified
First seen Aug 25, 2010
Microsoft Internet Explorer - Object Type (MS03-020) (Metasploit)
Open source ↗
Exploit-DBEDB-37✓ verified
First seen Jun 7, 2003
Microsoft Internet Explorer - Object Tag (MS03-020)
Open source ↗
Exploit-DBEDB-22726✓ verified
First seen Jun 4, 2003
Microsoft Internet Explorer 5 - OBJECT Tag Buffer Overflow
Open source ↗
Metasploitexploit/windows/browser/ms03_020_ie_objecttype✓ verified
First seen Jun 4, 2003
MS03-020 Microsoft Internet Explorer Object Type
Open source ↗

Frequently asked(4)

What is CVE-2003-0344?

CVE-2003-0344 is a none vulnerability published on June 16, 2003. Buffer overflow in Microsoft Internet Explorer 5.01, 5.5, and 6.0 allows remote attackers to execute arbitrary code via / (slash) characters in the Type property of an Object tag in a web page.

When was CVE-2003-0344 disclosed?

CVE-2003-0344 was first published in the National Vulnerability Database on June 16, 2003, 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-2003-0344 actively exploited?

CVE-2003-0344 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0344?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0344, 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-2003-0344

📅 Published

🔄 Last Modified

🔗 References (14)