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Fencer Intel
critical 10.0

CVE-2011-2158 json

The SmarterTools SmarterStats 6.0 web server sends incorrect Content-Type headers for certain resources, which might allow remote attackers…

published 2011-05-20 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2150

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.4%
EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

The SmarterTools SmarterStats 6.0 web server sends incorrect Content-Type headers for certain resources, which might allow remote attackers to have an unspecified impact by leveraging an interpretation conflict involving (1) Admin/frmSite.aspx, (2) Admin/frmSites.aspx, (3) Admin/frmViewReports.aspx, (4) App_Themes/AboutThisFolder.txt, (5) Client/frmViewReports.aspx, (6) Temp/AboutThisFolder.txt, (7) default.aspx, (8) login.aspx, or (9) certain .jpg URIs under Temp/. NOTE: it is possible that only clients, not the SmarterStats product, could be affected by this issue.

Exploit prediction

4.38% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Intel 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.