Is CVE-2011-4004 being actively exploited?

CVE-2011-4004 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4004?

CVE-2011-4004 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2011-4004

HIGH · CVSS 9.3EPSS 3.8%EU EUVD

Buffer overflow in the ATAS32 processing functionality in the Cisco WebEx Recording Format (WRF) player T26 before SP49 EP40 and T27 before SP28 allows remote attackers to execute arbitrary code via a crafted WRF file.

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-119
EPSS score: 3.8% (90th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-3957)
Published: October 27, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3957 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

cisco / webex recording format player
cisco / webex recording format player
cisco / webex recording format player
cisco / webex recording format player
cisco / webex recording format player

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20111026-webex(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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