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Fencer Intel
critical 10.0

CVE-2011-3271 in the critical feed json

Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to execute arbitrary code o…

published 2011-10-03 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3235

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
10.8%
EPSS 10.8% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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.

Exploit prediction

10.76% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.