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Fencer Vulns
medium 5.0

CVE-2005-2678 json

Microsoft IIS 5.1 and 6 allows remote attackers to spoof the SERVER_NAME variable to bypass security checks and conduct various attacks via…

published 2005-08-23 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2679

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
44.4%
EPSS 44.4% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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.

Exploit prediction

44.37% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.