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Fencer Vulns
critical 9.3

CVE-2008-3879 json

The Ultra.OfficeControl ActiveX control in OfficeCtrl.ocx 2.0.2008.801 and earlier in Ultra Shareware Ultra Office Control allows remote at…

published 2008-09-02 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-3865

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
1
Exploit-DB

Summary

The Ultra.OfficeControl ActiveX control in OfficeCtrl.ocx 2.0.2008.801 and earlier in Ultra Shareware Ultra Office Control allows remote attackers to force the download of arbitrary files onto a client system via a URL in the first argument to the Open method, in conjunction with a full destination pathname in the first argument (SaveAsDocument argument) to the Save method.

Timeline

  1. First public exploit (EDB-6319)
  2. Published

Exploit prediction

3.69% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-6319 Ultra Office - ActiveX Control Arbitrary File Corruption dos, 2008-08-27
  • shinnai.net http://www.shinnai.net/xplits/TXT_NPku7jFjRufaz85U6Lxn.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

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.