Vulnerability Description
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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Anyconnect Secure Mobility Client | < 4.9.00086 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-EscalatioExploitThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aVendor Advisory
- http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-EscalatioExploitThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-US Government Resource
FAQ
What is CVE-2020-3433?
CVE-2020-3433 is a vulnerability with a CVSS score of 7.8 (HIGH). 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. T...
How severe is CVE-2020-3433?
CVE-2020-3433 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-3433?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Anyconnect Secure Mobility Client.