CVE-2005-0420

Microsoft Exchange Server - Open Redirect via OWA Login Page

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-0420. PoCs published by Morning Wood.

AI-analyzed exploit summary This exploit demonstrates a URI-redirection vulnerability in Microsoft Outlook Web Access (OWA) by crafting malicious URLs that redirect users to arbitrary domains upon login form submission. The issue stems from insufficient sanitization of the 'url' parameter in the 'owalogon.asp' script.

Description

Microsoft Outlook Web Access (OWA), when used with Exchange, allows remote attackers to redirect users to arbitrary URLs for login via a link to the owalogon.asp application.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Morning Wood · textwebappsasp
https://www.exploit-db.com/exploits/25084

This exploit demonstrates a URI-redirection vulnerability in Microsoft Outlook Web Access (OWA) by crafting malicious URLs that redirect users to arbitrary domains upon login form submission. The issue stems from insufficient sanitization of the 'url' parameter in the 'owalogon.asp' script.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Outlook Web Access (OWA) for Exchange Server
No auth needed
Prerequisites: Access to a vulnerable OWA instance · Ability to craft and deliver malicious URLs to victims
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Exploit, Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/14144
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/lists/fulldisclosure/2005/Feb/0106.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/19225
Exploit, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/12459
Permissions Required vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2005/0105

Scores

EPSS 0.2556
EPSS Percentile 97.7%

Details

CWE
CWE-601
Status published
Products (1)
microsoft/exchange_server 2003 (2 CPE variants)
Published Apr 27, 2005
Tracked Since Feb 18, 2026