CVE-2009-2879
CVE-2009-2879 is a critical-severity vulnerability in Cisco Webex with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Cisco Webex
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2009-2879?
- CVE-2009-2879 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2009-2879 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-2879?
- CVE-2009-2879 primarily affects Cisco Webex. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-2879?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2009-2879 published?
- CVE-2009-2879 was published on 2009-12-18 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/37810
- http://securitytracker.com/id?1023360
- http://tools.cisco.com/security/center/viewAlert.x?alertId=19499
- http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22660&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456
- http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22661&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456
- http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22662&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456
- http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22663&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456
- http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22799&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456
- http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=23040&signatureSubId=0&softwareVersion=6.0&releaseVersion=S456
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b0a577.shtml
- 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
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54841
Affected products (6)
- cpe:2.3:a:cisco:webex:26.00:*:linux:*:*:*:*:*
- cpe:2.3:a:cisco:webex:26.00:*:mac_os_x:*:*:*:*:*
- cpe:2.3:a:cisco:webex:26.00:*:windows:*:*:*:*:*
- cpe:2.3:a:cisco:webex:27.00:*:linux:*:*:*:*:*
- cpe:2.3:a:cisco:webex:27.00:*:mac_os_x:*:*:*:*:*
- cpe:2.3:a:cisco:webex:27.00:*:windows:*:*:*:*:*
More vulnerabilities in Cisco Webex
- CVE-2009-2880 — Critical (CVSS 9.3): Buffer overflow in atrpui.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 for Windows, 27.x before 27.10.x for…
- CVE-2009-2878 — Critical (CVSS 9.3): Heap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for…
- CVE-2009-2877 — Critical (CVSS 9.3): Stack-based buffer overflow in ataudio.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 for Windows, 27.x before…
- CVE-2009-2876 — Critical (CVSS 9.3): Heap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for…
- CVE-2009-2875 — Critical (CVSS 9.3): Buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 for Windows, 27.x before 27.10.x for…
- CVE-2017-3823 — High (CVSS 8.8): An issue was discovered in the Cisco WebEx Extension before 1.0.7 on Google Chrome, the ActiveTouch General Plugin…
All CVEs affecting Cisco Webex →
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