Vulnerability identifier: #VU25487

Vulnerability risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-3153

CWE-ID: CWE-427

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Cisco AnyConnect Secure Mobility Client
Client/Desktop applications / Other client software

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to the incorrect handling of directory paths in the installer component. A local user can create a malicious file, copy the file to a system directory and copy malicious files to arbitrary locations with system level privileges. This can include DLL pre-loading, DLL hijacking, and other related attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco AnyConnect Secure Mobility Client: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.