CVE-2005-0452

Exp

Multiple cross-site scripting (XSS) vulnerabilities in Microsoft ASP.NET (.Net) 1.0 and 1.1 to SP1 allow remote attackers to inject arbitrary HTML or web script via Unicode representations for ASCII fullwidth characters that are converted to normal ASCII characters, including ">" and "<".

Published: 2005-02-16 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-0452 is rated High Exploit Risk (63.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 23.37%, 97th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2005-0452

EDB-ID Source Kind Published Link
25110 exploit_db edb 2005-02-16 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-0452

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 2026-06-15 26.61% 23.37% -3.24%
2 2025-12-28 27.07% 26.61% -0.46%
3 2025-12-27 27.07%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-0452

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2005-0452

Affected software / configurations for CVE-2005-0452

Vendor Product Version Raw CPE
microsoft asp.net 1.0 cpe:2.3:a:microsoft:asp.net:1.0:*:*:*:*:*:*:*
microsoft asp.net 1.0 cpe:2.3:a:microsoft:asp.net:1.0:sp1:*:*:*:*:*:*
microsoft asp.net 1.0 cpe:2.3:a:microsoft:asp.net:1.0:sp2:*:*:*:*:*:*
microsoft asp.net 1.1 cpe:2.3:a:microsoft:asp.net:1.1:*:*:*:*:*:*:*
microsoft asp.net 1.1 cpe:2.3:a:microsoft:asp.net:1.1:sp1:*:*:*:*:*:*

References for CVE-2005-0452

cvelogic Threat Intelligence