What is CVE-2019-1682?

CVE-2019-1682 is a vulnerability in the FUSE filesystem functionality for Cisco Application Policy Infrastructure Controller (APIC) software that allows an authenticated, local attacker to escalate privileges to root on an affected device.

How severe is CVE-2019-1682?

CVE-2019-1682 has a severity rating of 7.8 (high).

How can an attacker exploit CVE-2019-1682?

An attacker can exploit CVE-2019-1682 by performing improper input validation for certain commands.

What is the affected software for CVE-2019-1682?

The affected software for CVE-2019-1682 is Cisco Application Policy Infrastructure Controller (APIC) software up to version 4.1(1i).

How can I fix CVE-2019-1682?

To fix CVE-2019-1682, Cisco recommends upgrading to a fixed software release.

Vulnerability/
CVE-2019-1682

high

7.8

CWE

20 264

3/5/2019

7/10/2020

CVE-2019-1682: Input Validation

First published: Fri May 03 2019(Updated: )

A vulnerability in the FUSE filesystem functionality for Cisco Application Policy Infrastructure Controller (APIC) software could allow an authenticated, local attacker to escalate privileges to root on an affected device. The vulnerability is due to insufficient input validation for certain command strings issued on the CLI of the affected device. An attacker with write permissions for files within a readable folder on the device could alter certain definitions in the affected file. A successful exploit could allow an attacker to cause the underlying FUSE driver to execute said crafted commands, elevating the attacker's privileges to root on an affected device.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Application Policy Infrastructure Controller	<4.1\(1i\)

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-apic-priv-escalation

Frequently Asked Questions

What is CVE-2019-1682?
CVE-2019-1682 is a vulnerability in the FUSE filesystem functionality for Cisco Application Policy Infrastructure Controller (APIC) software that allows an authenticated, local attacker to escalate privileges to root on an affected device.
How severe is CVE-2019-1682?
CVE-2019-1682 has a severity rating of 7.8 (high).
How can an attacker exploit CVE-2019-1682?
An attacker can exploit CVE-2019-1682 by performing improper input validation for certain commands.
What is the affected software for CVE-2019-1682?
The affected software for CVE-2019-1682 is Cisco Application Policy Infrastructure Controller (APIC) software up to version 4.1(1i).
How can I fix CVE-2019-1682?
To fix CVE-2019-1682, Cisco recommends upgrading to a fixed software release.

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