PT-2020-4217 · Cisco · Cisco Anyconnect Secure Mobility Client

Published 2020-08-05 · Updated 2025-02-24 · CVE-2020-3433

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Cisco AnyConnect Secure Mobility Client for Windows (affected versions not specified)

Description: A vulnerability in the interprocess communication (IPC) channel could allow an authenticated, local attacker to perform a DLL hijacking attack. The attacker would need valid credentials on the Windows system to exploit this issue. The vulnerability is due to insufficient validation of resources loaded by the application at run time. An attacker could exploit this by sending a crafted IPC message to the AnyConnect process, potentially allowing the execution of arbitrary code on the affected machine with SYSTEM privileges.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Uncontrolled Search Path Element

Weakness Enumeration

CWE-427

Related Identifiers

BDU:2020-04657

CVE-2020-3433

Affected Products

Cisco Anyconnect Secure Mobility Client

References · 11

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/anyconnect_lpe.rb · Exploit
• 🔥 https://github.com/goichot/CVE-2020-3433 · Exploit
• 🔥 http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-Escalation.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-3433 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3433 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04657 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dll-F26WwJW · Vendor Advisory, Security Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3433 · Note
• https://t.me/echeloneyes/817 · Telegram Post
• https://t.me/cvenotify/112273 · Telegram Post
• https://t.me/avleonovcom/802 · Telegram Post