CVE-2011-3271 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 pa...

HighCVSS 10.0 EPSS 10.8%

Published: 2011-10-04 02:00
Updated: 2026-06-17 02:33
Exploit status: No public exploit known

Description

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.

Affected products

Product	Affected versions	Fixed in
cisco ios	= 12.2	No fix listed
cisco ios	= 15.1	No fix listed

References

tools.cisco.com
20110928 Cisco IOS Software Smart Install Remote Code Execution Vulnerability vendor-advisory

CVSS v2.0

10.0 High

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

Access Vector: Network
Access Complexity: Low
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Weakness & likelihood

EPSS (exploitation probability, 30 days): 10.76% (percentile 95.9)
CWE: Not classified

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.