CVE-2020-27123 Cisco AnyConnect Secure Mobility Client for Windows Arbitrary File Read Vulnerability

Medium 5.5 Published Updated

A local authenticated attacker can read arbitrary files on the system via a crafted IPC message to the Cisco AnyConnect Secure Mobility Client.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-27123?

CVE-2020-27123 is a medium-severity vulnerability in Cisco Anyconnect Secure Mobility Client, published on 6 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to read arbitrary files on the underlying operating system of an affected device. The vulnerability is due to an exposed IPC function. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process on an affected device. A successful exploit could allow the attacker to read arbitrary files on the underlying operating system of the affected device.

Weakness: CWE-749

Which versions are affected by CVE-2020-27123?

It affects 1 product.

Products include Cisco Anyconnect Secure Mobility Client.

How do I fix CVE-2020-27123?

No fix has been published for CVE-2020-27123 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-27123 being exploited?

There is no known exploitation of CVE-2020-27123 in the wild and no public exploit code.

All Cisco Anyconnect Secure Mobility Client vulnerabilities

Sources

Also known as GHSA-w2f2-q5rv-4h3g.

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