---
title: "CVE-2007-0042: Interpretation conflict in ASP.NET… | CubePath"
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…"
language: en
source: https://cubepath.com/security/cve/CVE-2007-0042
---

# CVE-2007-0042: Interpretation conflict in ASP.NET… | CubePath

## 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."

Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2007-0042)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.76151 (76.2% probability)

Percentile

99.5%

Scores of

Nov 10, 2026

Model

v2026.06.15

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [SSRT071446](http://archive.cert.uni-stuttgart.de/bugtraq/2007/07/msg00254.html)  (archive.cert.uni-stuttgart.de) vendor-advisory
- [MS07-040](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-040)  (docs.microsoft.com) vendor-advisory
- [ADV-2007-2482](http://www.vupen.com/english/advisories/2007/2482)  (vupen.com) vdb-entry
- [oval:org.mitre.oval:def:2070](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2070)  (oval.cisecurity.org) vdb-entry signature
- [26003](http://secunia.com/advisories/26003)  (secunia.com) third-party-advisory
- [security-assessment.com/files/advisories/2007-07-11\_Multipl…](http://security-assessment.com/files/advisories/2007-07-11%5FMultiple%5F.NET%5FNull%5FByte%5FInjection%5FVulnerabilities.pdf)
- [TA07-191A](http://www.us-cert.gov/cas/techalerts/TA07-191A.html)  (us-cert.gov) third-party-advisory
- [1018356](http://www.securitytracker.com/id?1018356)  (securitytracker.com) vdb-entry

## Timeline

1. ID reserved Jan 3, 2007
2. Record published Jul 10, 2007
3. Record last updated Aug 7, 2024

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:59 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)