CVE-2009-2866
Unspecified vulnerability in Cisco IOS 12.2 through 12.4 allows remote attackers to cause a...
Unspecified vulnerability in Cisco IOS 12.2 through 12.4 allows remote attackers to cause a denial of service (device reload) via a crafted H.323 packet, aka Bug ID CSCsz38104.
Exploit likelihood
What each source reports
NVD Score used
Unspecified vulnerability in Cisco IOS 12.2 through 12.4 allows remote attackers to cause a denial of service (device reload) via a crafted H.323 packet, aka Bug ID CSCsz38104.
- Record
CVE-2009-2866- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
Unspecified vulnerability in Cisco IOS 12.2 through 12.4 allows remote attackers to cause a denial of service (device reload) via a crafted H.323 packet, aka Bug ID CSCsz38104.
- Record
CVE-2009-2866- Updated
- 2026-11-02
EUVDEUVD-2009-2856 No score
Unspecified vulnerability in Cisco IOS 12.2 through 12.4 allows remote attackers to cause a denial of service (device reload) via a crafted H.323 packet, aka Bug ID CSCsz38104.
- Record
EUVD-2009-2856- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vx94-4rqx-r6q8 No score
Unspecified vulnerability in Cisco IOS 12.2 through 12.4 allows remote attackers to cause a...
Unspecified vulnerability in Cisco IOS 12.2 through 12.4 allows remote attackers to cause a denial of service (device reload) via a crafted H.323 packet, aka Bug ID CSCsz38104.
- Record
GHSA-vx94-4rqx-r6q8- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-2866 is a high vulnerability (CVSS 7.8) in Cisco Ios, published September 28, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.94%, the 87th percentile. No source names a fixed version.
References
exchange.xforce.ibmcloud.com/vulnerabilities/53446
securitytracker.com/id?1022930
vupen.com/english/advisories/2009/2759
securityfocus.com/bid/36494
osvdb.org/58337
tools.cisco.com/security/center/viewAlert.x?alertId=18885
cisco.com/en/US/products/products_security_advisory09186a0080af811a.shtml
nvd.nist.gov/vuln/detail/CVE-2009-2866
github.com/advisories/GHSA-vx94-4rqx-r6q8