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Fencer Vulns
critical 9.3

CVE-2008-3558 in the critical feed json

Stack-based buffer overflow in the WebexUCFObject ActiveX control in atucfobj.dll in Cisco WebEx Meeting Manager before 20.2008.2606.4919 a…

published 2008-08-08 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-3544

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
65.4%
EPSS 65.4% chance of exploitation in 30 days, percentile 99.2%
public exploits
3
Metasploit, Exploit-DB

Summary

Stack-based buffer overflow in the WebexUCFObject ActiveX control in atucfobj.dll in Cisco WebEx Meeting Manager before 20.2008.2606.4919 allows remote attackers to execute arbitrary code via a long argument to the NewObject method.

Timeline

  1. First public exploit (Metasploit exploit/windows/browser/webex_ucf_newobject)
  2. Published

Exploit prediction

65.39% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/browser/webex_ucf_newobject WebEx UCF atucfobj.dll ActiveX NewObject Method Buffer Overflow metasploit exploit, good rank, 2008-08-06
  • EDB-16604 Cisco WebEx Meeting Manager UCF - 'atucfobj.dll' ActiveX NewObject Method Buffer Overflow (Metasploit) remote, 2010-09-20
  • EDB-6220 Cisco WebEx Meeting Manager UCF - 'atucfobj.dll' ActiveX Remote Buffer Overflow remote, 2008-08-10

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-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.