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

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CVE-2011-2054

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
19/02/2020
Last modified:
21/11/2024

Description

A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. An attacker must have the correct primary credentials in order to successfully exploit this vulnerability.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
4.30
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.00 MEDIUM
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:asa_5500_firmware:8.4\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5500:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5510_firmware:8.4\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5510:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5512-x_firmware:8.4\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5512-x:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5515-x_firmware:8.4\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5515-x:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5520_firmware:8.4\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5520:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5525-x_firmware:8.4\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5525-x:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5540_firmware:8.4\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5540:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5545-x_firmware:8.4\(1\):*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools