Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities (cisco-sa-anyconnect-code-exec-jR3tWTA6)

high Nessus Plugin ID 149448

Language:

Synopsis

The remote device is missing a vendor-supplied security patch

Description

Multiple vulnerabilities in the install, uninstall, and upgrade processes of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to hijack DLL or executable files that are used by the application. A successful exploit could allow the attacker to execute arbitrary code on an affected device with SYSTEM privileges. To exploit these vulnerabilities, the attacker must have valid credentials on the Windows system.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvu77671, CSCvv43102, CSCvv60844, CSCvw16996, CSCvw17005, CSCvw18527, CSCvw18595

Plugin Details

Severity: High

ID: 149448

File Name: cisco-sa-anyconnect-code-exec-jR3tWTA6.nasl

Version: 1.4

Type: local

Agent: windows

Family: Windows

Published: 5/13/2021

Updated: 1/26/2022

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-1496

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:anyconnect_secure_mobility_client

Required KB Items: SMB/Registry/Enumerated, installed_sw/Cisco AnyConnect Secure Mobility Client

Exploit Ease: No known exploits are available

Patch Publication Date: 5/5/2021

Vulnerability Publication Date: 5/5/2021

Reference Information

CVE: CVE-2021-1426, CVE-2021-1427, CVE-2021-1428, CVE-2021-1429, CVE-2021-1430, CVE-2021-1496

CWE: 378

CISCO-SA: cisco-sa-anyconnect-code-exec-jR3tWTA6

IAVA: 2021-A-0239-S

CISCO-BUG-ID: CSCvu77671, CSCvv43102, CSCvv60844, CSCvw16996, CSCvw17005, CSCvw18527, CSCvw18595

Detections

Analytics