Security readout for executives and security teams
CVE-2011-3271 affects Cisco IOS Smart Install in IOS 12.2 and 15.1. A remote attacker could send crafted TCP traffic to port 4786 and potentially crash a device or execute code. For executives, the business concern is disruption or compromise of network infrastructure if exposed devices remain unremediated. Exposure is most likely on Cisco IOS devices running 12.2 or 15.1 where Smart Install is present and TCP/4786 is reachable from untrusted networks. The supplied bundle does not list exact product models or fixed versions. Treat this as high priority for network infrastructure risk review, especially where older Cisco IOS devices remain exposed. Focus first on reachability of TCP/4786 and vendor-confirmed remediation status. Mitigation focus: Review Cisco’s advisory for affected releases and official remediation guidance.; Identify Cisco IOS 12.2 and 15.1 devices in the environment.; Restrict TCP/4786 reachability to trusted management networks where possible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookupCVE-2011-3271 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
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Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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