CVE-2004-0380: microsoft outlook_express
Vulnerability summary
CVE-2004-0380 is a high (CVSS 10.0) vulnerability in microsoft outlook_express. EPSS estimates a 63.25% chance of exploitation in the next 30 days, higher than 99.2% of scored vulnerabilities. 4 public exploits are recorded.
Timeline
- 06-04-2004PublishedVulnerability first disclosed.
- 08-08-2024Last modifiedVulnerability information updated.
Description
The MHTML protocol handler in Microsoft Outlook Express 5.5 SP2 through Outlook Express 6 SP1 allows remote attackers to bypass domain restrictions and execute arbitrary code, as demonstrated on Internet Explorer using script in a compiled help (CHM) file that references the InfoTech Storage (ITS) protocol handlers such as (1) ms-its, (2) ms-itss, (3) its, or (4) mk:@MSITStore, aka the "MHTML URL Processing Vulnerability."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
63.25%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 63.25% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
4 foundExploit Reference (securityfocus.com)
Maturity: unknown
Microsoft Internet Explorer 5.0.1 - ITS Protocol Zone Bypass (MS04-013)
Maturity: weaponized
Microsoft Outlook Express 6.0 - '.MHTML' Forced File Execution (1)
Maturity: weaponized
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft1 product
- outlook_express5.5 | 6.0
1 vendor · 1 product
References
14 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A990VDB EntrySignatureX Refsource OVAL
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1010VDB EntrySignatureX Refsource OVAL
- docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-013Vendor AdvisoryX Refsource MS
- www.us-cert.gov/cas/techalerts/TA04-104A.htmlThird Party AdvisoryX Refsource CERTUS Government Resource
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A882VDB EntrySignatureX Refsource OVAL
- www.k-otik.net/bugtraq/02.18.InternetExplorer.phpX Refsource MISC
Show all 14 references
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1028VDB EntrySignatureX Refsource OVAL