CVE-2019-1835 Cisco Aironet Series Access Points Directory Traversal Vulnerability

Medium 4.4 Published 18 Apr 2019 Updated 21 Nov 2024

An authenticated local attacker with admin privileges can exploit improper input sanitization in the CLI to perform directory traversal and view sensitive system files.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-1835?

CVE-2019-1835 is a medium-severity path traversal vulnerability in Cisco Aironet Access Point Software, published on 18 Apr 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the CLI of Cisco Aironet Access Points (APs) could allow an authenticated, local attacker to access sensitive information stored in an AP. The vulnerability is due to improper sanitization of user-supplied input in specific CLI commands. An attacker could exploit this vulnerability by accessing the CLI of an affected AP with administrator privileges and issuing crafted commands that result in directory traversal. A successful exploit could allow the attacker to view system files on the affected device, which could contain sensitive information. Software versions 8.8 and 8.9 are affected.

Weakness: CWE-22

Which versions are affected by CVE-2019-1835?

It affects 1 product.

Products include Cisco Aironet Access Point Firmware.

How do I fix CVE-2019-1835?

No fix has been published for CVE-2019-1835 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2019-1835 being exploited?

There is no known exploitation of CVE-2019-1835 in the wild and no public exploit code.

Sources

Also known as GHSA-5297-pw47-52pg.