CVE-2011-3271 describes an unspecified vulnerability within the Smart Install functionality of Cisco IOS versions 12.2 and 15.1. This critical flaw allows unauthenticated remote attackers to execute arbitrary code or trigger a denial of service by sending specially crafted TCP packets to port 4786. With a CVSS score of 10.0, it represents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (e.g., Metasploit, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
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.
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 records are not available for this CVE.