Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-0949

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
31/05/2011
Last modified:
11/04/2025

Description

Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock files from /tmp/, which allows remote attackers to cause a denial of service (disk consumption) by making many SSHv1 connections, aka Bug ID CSCtd64417.

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_xr:3.6.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.6.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.6.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.8.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.8.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.8.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.9.0:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools