CVE-2009-2879

Heap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for Windows, 27.x before 27.10.x (aka T27SP10) for Windows, 26.x before 26.49.35 for Mac OS X and Linux, and 27.x before 27.11.8 for Mac OS X and Linux allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a crafted WebEx Recording Format (WRF) file, a different vulnerability than CVE-2009-2876 and CVE-2009-2878.

Published: 2009-12-18 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-2879 is rated High Risk (65.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.46%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-2879

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 3.10% 2.46% -0.64%
2 2025-03-29 2.46% 3.10% +0.64%
3 2025-03-17 — 2.46% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2879

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-2879

Affected software / configurations for CVE-2009-2879

Vendor Product Version Raw CPE
cisco webex 26.00 cpe:2.3:a:cisco:webex:26.00:*:linux:*:*:*:*:*
cisco webex 26.00 cpe:2.3:a:cisco:webex:26.00:*:mac_os_x:*:*:*:*:*
cisco webex 26.00 cpe:2.3:a:cisco:webex:26.00:*:windows:*:*:*:*:*
cisco webex 27.00 cpe:2.3:a:cisco:webex:27.00:*:linux:*:*:*:*:*
cisco webex 27.00 cpe:2.3:a:cisco:webex:27.00:*:mac_os_x:*:*:*:*:*
cisco webex 27.00 cpe:2.3:a:cisco:webex:27.00:*:windows:*:*:*:*:*

References for CVE-2009-2879

URL Tags
http://secunia.com/advisories/37810 Vendor Advisory
http://securitytracker.com/id?1023360
http://tools.cisco.com/security/center/viewAlert.x?alertId=19499 Patch Vendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22660&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456 Patch Vendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22661&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456 Patch Vendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22662&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456 Patch Vendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22663&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456 Patch Vendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22799&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456 Patch Vendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=23040&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456 Patch Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b0a577.shtml Patch Vendor Advisory
http://www.fortiguard.com/advisory/FGA-2009-48.html
http://www.fortiguard.com/encyclopedia/vulnerability/cisco.webex.player.atas32.heap.overflow.html
http://www.osvdb.org/61129
http://www.securityfocus.com/bid/37352
http://www.vupen.com/english/advisories/2009/3574 Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/54841
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