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Vulnerability record · CVE-2005-0420 · published 27 April 2005

CVE-2005-0420: Microsoft exchange server open redirect vulnerability

Microsoft · Exchange Server

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.

5.8 CVSS 2.0 Medium EPSS 26% · top 2.1% CWE-601 · Open redirect
5.8CVSS 2.0 base score
26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 4 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/lists/fulldisclosure/2005/Feb/0106.html Mailing ListThird Party Advisory
http://secunia.com/advisories/14144 ExploitThird Party Advisory
http://www.securityfocus.com/bid/12459 ExploitThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2005/0105 Permissions Required
https://exchange.xforce.ibmcloud.com/vulnerabilities/19225 Third Party AdvisoryVDB Entry
http://seclists.org/lists/fulldisclosure/2005/Feb/0106.html Mailing ListThird Party Advisory
http://secunia.com/advisories/14144 ExploitThird Party Advisory
http://www.securityfocus.com/bid/12459 ExploitThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2005/0105 Permissions Required
https://exchange.xforce.ibmcloud.com/vulnerabilities/19225 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2005-0420), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.