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CVE-2011-3273

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
03/10/2011
Last modified:
11/04/2025

Description

Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.0m:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.0sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.0xa:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.0xo:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1gc:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1m:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1xb:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools