All vulnerabilities

Servers and applications

CVE-2005-2678

Microsoft IIS 5.1 and 6 allows remote attackers to spoof the SERVER_NAME variable to bypass security checks and conduct various attacks via a GET request with an http://localhost URI, which makes it appear as if the request is coming from localhost.

Severity
Medium 5.0
Published
23 Aug 2005
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
44% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Microsoft IISServers and applications · cpe:a:microsoft:internet_information_services
  • Version 5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2005-2678
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2005-2678