Vulnerability in Microsoft Outlook Express
CVE-2004-0380
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."
Published · last modified .
CVSS v2 metric
CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.632 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.632 · newest: 0.632 · change: 0.000
Affected products
- Microsoft Outlook Express — versions 5.5, 6.0
Public proof-of-concept exploits
References
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:990 (signature, vdb-entry)
- www.securityfocus.com/bid/9105 (vdb-entry)
- www.kb.cert.org/vuls/id/323070 (US Government Resource, third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:1010 (signature, vdb-entry)
- exchange.xforce.ibmcloud.com/vulnerabilities/15705 (vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-013 (vendor-advisory)
- www.securityfocus.com/bid/9658 (vdb-entry)
- www.us-cert.gov/cas/techalerts/TA04-104A.html (US Government Resource, third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:882 (signature, vdb-entry)
- www.k-otik.net/bugtraq/02.18.InternetExplorer.php
Frequently asked questions
- What is CVE-2004-0380?
- CVE-2004-0380 is a vulnerability in Microsoft Outlook Express. Published 2004-05-04.
- Is CVE-2004-0380 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.