Insecure DLL loading in Cisco AnyConnect Secure Mobility Client for Windows



Published: 2021-01-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-1237
CWE-ID CWE-427
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		Cisco AnyConnect Secure Mobility Client
Client/Desktop applications / Other client software

Vendor

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insecure DLL loading

EUVDB-ID: #VU49533

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-1237

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of resources that are loaded by the application at run time in the Network Access Manager and Web Security Agent components. A local user can place a specially crafted .dll file and execute arbitrary code on victim's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco AnyConnect Secure Mobility Client: before 4.9.04043

CPE2.3 External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dll-injec-pQnryXLf


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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