CWE-12 (ASP.NET Misconfiguration: Missing Custom Error Page) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.
An ASP .NET application must enable custom error pages in order to prevent attackers from mining information from the framework's built-in responses.
Extended context from the CWE catalog (rendered from MITRE XHTML).
| Kind | Name | Class | Prevalence | OS / CPE |
|---|---|---|---|---|
| language | ASP.NET | — | Undetermined | — |
These CVEs are mapped to this weakness in this database and kept for traceability and search.
| CVE | Published | Summary |
|---|---|---|
| CVE-2020-6994 | 2020-04-03 | A buffer overflow vulnerability was found in some devices of Hirschmann Automation and Control HiOS and HiSecOS. The vulnerability is due to improper parsing of URL arguments. An attacker could exploi… |
| Date | Name | Version | Importance | Comment |
|---|---|---|---|---|
| 2008-07-01 | Eric Dalci | 1.0 | — | updated References, Demonstrative_Example, Potential_Mitigations, Time_of_Introduction |
| 2008-09-08 | CWE Content Team | 1.0 | — | updated Relationships, Other_Notes, References, Taxonomy_Mappings |
| 2008-10-14 | CWE Content Team | 1.0.1 | — | updated Relationships |
| 2008-11-24 | CWE Content Team | 1.1 | — | updated Common_Consequences, Other_Notes, Potential_Mitigations |
| 2009-03-10 | CWE Content Team | 1.3 | — | updated Name, Relationships |
| 2009-07-27 | CWE Content Team | 1.5 | — | updated Background_Details, Common_Consequences, Other_Notes |
| 2011-06-01 | CWE Content Team | 1.13 | — | updated Common_Consequences |
| 2011-06-27 | CWE Content Team | 2.0 | — | updated Common_Consequences |
| 2012-05-11 | CWE Content Team | 2.2 | — | updated Demonstrative_Examples, Relationships |
| 2012-10-30 | CWE Content Team | 2.3 | — | updated Potential_Mitigations |
| 2013-02-21 | CWE Content Team | 2.4 | — | updated Potential_Mitigations |
| 2014-07-30 | CWE Content Team | 2.8 | — | updated Relationships |
| 2017-11-08 | CWE Content Team | 3.0 | — | updated Demonstrative_Examples, Potential_Mitigations, References, Relationships |
| 2020-02-24 | CWE Content Team | 4.0 | — | updated References, Relationships |
| 2023-04-27 | CWE Content Team | 4.11 | — | updated Relationships |
| 2023-06-29 | CWE Content Team | 4.12 | — | updated Mapping_Notes |
| 2025-09-09 | CWE Content Team | 4.18 | — | updated References |
| 2025-12-11 | CWE Content Team | 4.19 | — | updated Weakness_Ordinalities |