Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-2866

21
FAUCET Score

CVE-2009-2866 describes an unspecified vulnerability in Cisco IOS versions 12.2 through 12.4, allowing remote attackers to trigger a denial of service, specifically a device reload, through a specially crafted H.323 packet. This vulnerability carries a high CVSS score of 7.8, indicating a critical impact (complete availability loss) with low attack complexity and no authentication required, making it easily exploitable over the network. Despite its severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
12.2bCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2b:*:*:*:*:*:*:*
12.2bxCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2bx:*:*:*:*:*:*:*
12.2czCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2cz:*:*:*:*:*:*:*
12.2mcCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2mc:*:*:*:*:*:*:*
12.2tCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2t:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.94%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0295 is in the 74th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

ciscopatch availablevia nvd_reference
View patch

References

osvdb.org / 58337
exchange.xforce.ibmcloud.com / vulnerabilities/53446
tools.cisco.com / security/center/viewAlert.x
PatchVendor Advisory
cisco.com / en/US/products/products_security_advisory09186a0080af811a.shtml
PatchVendor Advisory
securityfocus.com / bid/36494
securitytracker.com / id
vupen.com / english/advisories/2009/2759