CVE-2005-0420

Exp

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.

Published: 2005-04-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-0420 is rated High Exploit Risk (75.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 74.71%, 99th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.99% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2005-0420

EDB-ID Source Kind Published Link
25084 exploit_db edb 2005-02-07 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-0420

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-28 71.72% 74.71% +2.99%
2 2025-12-27 74.71% 71.72% -2.99%
3 2025-12-16 — 74.71% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-0420

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 4.9 [email protected]

Weakness enumeration for CVE-2005-0420

Affected software / configurations for CVE-2005-0420

Vendor Product Version Raw CPE
microsoft exchange_server 2003 cpe:2.3:a:microsoft:exchange_server:2003:-:*:*:*:*:*:*
microsoft exchange_server 2003 cpe:2.3:a:microsoft:exchange_server:2003:sp1:*:*:*:*:*:*

References for CVE-2005-0420

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