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Vulnerability Intelligence Report
Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

CVE-2020-3433

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking 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 sending a crafted IPC message to the AnyConnect process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.

CISA KEV SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:10.05%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Weaknesses (CWE)

Affected Products & Versions

Vendor Product Affected Versions
Cisco Cisco AnyConnect Secure Mobility Client n/a (affected)

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

CISA KEV
ACTIVE IN CATALOG
EPSS Score
10.049%

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityCisco Systems, Inc. · Hosted Service · USA
Reserved2019-12-12T00:00:00
Published2020-08-17T18:01:06
Patch Date2020-08-05
Last Updated2026-08-12T03:55:39

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