CVE-2007-0042
HIGHEPSS 100th pctlDescription
Interpretation conflict in ASP.NET in Microsoft .NET Framework 1.0, 1.1, and 2.0 for Windows 2000, XP, Server 2003, and Vista allows remote attackers to access configuration files and obtain sensitive information, and possibly bypass security mechanisms that try to constrain the final substring of a string, via %00 characters, related to use of %00 as a string terminator within POSIX functions but a data character within .NET strings, aka "Null Byte Termination Vulnerability."
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
References
- http://archive.cert.uni-stuttgart.de/bugtraq/2007/07/msg00254.html
- http://secunia.com/advisories/26003
- http://security-assessment.com/files/advisories/2007-07-11_Multiple_.NET_Null_Byte_Injection_Vulnerabilities.pdf
- http://www.securitytracker.com/id?1018356
- http://www.us-cert.gov/cas/techalerts/TA07-191A.html
- http://www.vupen.com/english/advisories/2007/2482
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-040
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2070
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.