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CVE-2007-0042

HIGH · CVSS 7.8EPSS 76.2%EU EUVD

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."

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:C/I:N/A:N
Weakness (CWE)
CWE-200
EPSS score
76.2% (100th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2007-0046)
Published
July 10, 2007
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-0046 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / .net framework
  • microsoft / .net framework
  • microsoft / .net framework
  • microsoft / windows 2000
  • microsoft / windows 2003 server
  • microsoft / windows vista
  • microsoft / windows xp

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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