CVE-2020-3433
KEV RANSOMWAREHIGH 7.8EPSS 10.0%
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.
- CVSS v3.1
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0
- 7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 10.05% chance of exploitation in the next 30 days, 95th percentile
- CISA KEV
- added 2022-10-24, used in ransomware campaigns
- Published
- 2020-08-17
- Updated
- 2026-08-12
Proof-of-concept exploits (2)
- http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-Escalation.html
- goichot/CVE-2020-343341★ · 2020-09-25