CVE-2011-3271
HIGH · CVSS 10.0EPSS 10.8%EU EUVD
Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via crafted TCP packets to port 4786, aka Bug ID CSCto10165.
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- EPSS score
- 10.8% (96th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-3235)
- Published
- October 3, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-3235 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / ios
- cisco / ios
References
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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