Which products and versions are affected by CVE-2008-3558?

Affected: Webex Meeting Manager (Cisco) versions 20.2008.2601.4928. The full list is in the CVE brief.

Is CVE-2008-3558 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2008-3558 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2008-3558?

Public exploit code is available.

Is there a fix for CVE-2008-3558?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2008-3558 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2008-3558

CriticalPublic exploit

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.

Published Aug 8, 2008 · Updated Apr 22, 2026

Key Facts

Patch immediately

CVE-2008-3558 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Webex Meeting Manager (Cisco).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 65% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

9.3

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

65%

Higher than 99.2% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2008-3558 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Webex Meeting ManagerCisco	20.2008.2601.4928	n/a

Timeline

Publicly disclosed
Aug 8, 2008
Last updated
Apr 22, 2026

Weakness Type

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

References

advisory31397
advisory20080814 Vulnerability in Cisco WebEx Meeting Manager ActiveX Control
advisoryADV-2008-2319
exploitMSF webex_ucf_newobject.rb
exploitExploitDB-16604

6 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Webex Meeting Manager (Cisco) versions 20.2008.2601.4928. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2008-3558 Running On Your Attack Surface?

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