{"cve":"CVE-2007-0042","nvd":{"published":"2007-07-10T22:30:00.000","modified":"2026-06-16T22:34:45.853","status":"Modified","description":"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_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"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"],"products":["microsoft:.net_framework"],"source":"nvd","synced_at":"2026-10-19T19:46:28.846926071+00:00"},"epss":{"cve":"CVE-2007-0042","score":0.76151,"percentile":0.99534,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}