Weakness · Medium
CWE-12: ASP.NET Misconfiguration: Missing Custom Error Page
What it is
An ASP .NET application must enable custom error pages in order to prevent attackers from mining information from the framework's built-in responses.
- Severity (our rating)
- Medium
- Likelihood of exploit
- Not rated by MITRE
- Introduced during
- Implementation, Operation
- Exploited in the wild
- No CVE in CISA's catalog
What an attacker can do
- Read Application Data (Confidentiality)
How to prevent it
System Configuration
- Handle exceptions appropriately in source code. ASP .NET applications should be configured to use custom error pages instead of the framework default page.
Architecture and Design
- Do not attempt to process an error or attempt to mask it.
Implementation
- Verify return values are correct and do not supply sensitive information about the system.
H2 Security
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Start freeSource: MITRE Common Weakness Enumeration, CWE version 4.19.1. CWE is a trademark of The MITRE Corporation.