Executive Summary

Informations
Name CVE-2021-1237 First vendor Publication 2021-01-13
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the Network Access Manager and Web Security Agent components of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL injection attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by inserting a configuration file in a specific path in the system which, in turn, causes a malicious DLL file to be loaded when the application starts. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1237

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-427 Uncontrolled Search Path Element

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 151

Snort® IPS/IDS

Date Description
2021-01-28 OpenSSL configuration arbitrary DLL load attempt
RuleID : 56894 - Revision : 2 - Type : FILE-OTHER
2021-01-28 OpenSSL configuration arbitrary DLL load attempt
RuleID : 56893 - Revision : 2 - Type : FILE-OTHER

Sources (Detail)

Source Url
CISCO https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...

Alert History

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Date Informations
2023-12-01 02:10:11
  • Multiple Updates
2023-11-07 21:36:04
  • Multiple Updates
2021-05-04 14:06:31
  • Multiple Updates
2021-04-22 03:11:35
  • Multiple Updates
2021-03-27 01:36:38
  • Multiple Updates
2021-01-28 21:23:16
  • Multiple Updates
2021-01-21 00:22:54
  • Multiple Updates
2021-01-19 21:23:34
  • Multiple Updates
2021-01-14 17:22:54
  • Multiple Updates
2021-01-14 05:22:56
  • First insertion