Arbitrary File Read in Cisco AnyConnect Secure Mobility Client for Windows

Published: 2020-11-05
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-27123
Exploitation vector Local
Public exploit N/A
Vulnerable software
Cisco AnyConnect Secure Mobility Client
Client/Desktop applications / Other client software

Vendor Cisco Systems, Inc

Security Advisory

This security advisory describes one low risk vulnerability.

1) Exposed dangerous method or function

Risk: Low

CVSSv3: 4.8 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-27123

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

Exploit availability: No


The vulnerability allows a local user to read arbitrary files on the target system.

The vulnerability exists due to an exposed interprocess communication (IPC) channel function. A local user can send a specially crafted IPC message to the AnyConnect process and read arbitrary files on the underlying operating system of the affected device.


Install updates from vendor's website.

Vulnerable software versions

Cisco AnyConnect Secure Mobility Client: 4.9(1095)

CPE External links

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?

No. We are not aware of malware exploiting this vulnerability.