CVE-2003-0344

highpriority · attend · 68EPSS 0.813 · 100 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

4 exploits · functional

Likely / severe?

81.3% (100th) EPSS

CVSS 7.5 · high

Is it mine?

5 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USLLM-inferred

exploits (4)

Public proof-of-concept and weaponised exploit code.

EDB-16581Microsoft Internet Explorer - Object Type (MS03-020) (Metasploit)functional · exploit_db
EDB-22726Microsoft Internet Explorer 5 - OBJECT Tag Buffer Overflowfunctional · exploit_db
EDB-37Microsoft Internet Explorer - Object Tag (MS03-020)functional · exploit_db
exploit/windows/browser/ms03_020_ie_objecttypeMS03-020 Microsoft Internet Explorer Object Typefunctional · metasploit

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft ie= 6.0nvdUScpe:2.3:a:microsoft:ie:*:*:*:*:*:*:*:*
microsoft internet explorer= 5.01nvdUScpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*
microsoft internet explorer= 5.5nvdUScpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*
microsoft internet explorer= 6.0nvdUScpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2003-06-16modified 2026-06-16

references (14)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan