7.5
HIGH
CVE-2011-2054
Cisco ASA LDAP Authentication Bypass Vulnerability
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.

INFO

Published Date :

Feb. 19, 2020, 3:15 a.m.

Last Modified :

Nov. 21, 2024, 1:27 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

1.6
Affected Products

The following products are affected by CVE-2011-2054 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco asa_5585-x_firmware
2 Cisco asa_5512-x_firmware
3 Cisco asa_5515-x_firmware
4 Cisco asa_5500
5 Cisco asa_5510_firmware
6 Cisco asa_5520_firmware
7 Cisco asa_5525-x_firmware
8 Cisco asa_5540_firmware
9 Cisco asa_5545-x_firmware
10 Cisco asa_5550_firmware
11 Cisco asa_5555-x_firmware
12 Cisco asa_5580_firmware
13 Cisco asa_5580
14 Cisco asa_5510
15 Cisco asa_5520
16 Cisco asa_5540
17 Cisco asa_5550
18 Cisco asa_5500_firmware
19 Cisco asa_5585-x
20 Cisco asa_5512-x
21 Cisco asa_5515-x
22 Cisco asa_5525-x
23 Cisco asa_5545-x
24 Cisco asa_5555-x
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2011-2054.

URL Resource
https://quickview.cloudapps.cisco.com/quickview/bug/CSCtq58884 Vendor Advisory
https://quickview.cloudapps.cisco.com/quickview/bug/CSCtq58884 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2011-2054 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2011-2054 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://quickview.cloudapps.cisco.com/quickview/bug/CSCtq58884
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Feb. 24, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://quickview.cloudapps.cisco.com/quickview/bug/CSCtq58884 No Types Assigned https://quickview.cloudapps.cisco.com/quickview/bug/CSCtq58884 Vendor Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5500_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5510_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5510:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5512-x_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5512-x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5515-x_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5515-x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5520_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5520:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5525-x_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5525-x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5540_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5540:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5545-x_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5545-x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5550_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5550:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5555-x_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5555-x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5580_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5580:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asa_5585-x_firmware:8.4\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asa_5585-x:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2011-2054 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.15 }} 0.01%

score

0.51380

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability