CVE-2019-1743 Cisco IOS XE Software Arbitrary File Upload Vulnerability
Authenticated attackers can upload malicious files to Cisco IOS XE devices to gain elevated privileges and modify the filesystem.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1743?
CVE-2019-1743 is a high-severity vulnerability in Cisco Ios Xe, published on 27 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the web UI framework of Cisco IOS XE Software could allow an authenticated, remote attacker to make unauthorized changes to the filesystem of the affected device. The vulnerability is due to improper input validation. An attacker could exploit this vulnerability by crafting a malicious file and uploading it to the device. An exploit could allow the attacker to gain elevated privileges on the affected device.
Weakness: CWE-20
Which versions are affected by CVE-2019-1743?
It affects 1 product.
Products include Cisco Ios Xe.
How do I fix CVE-2019-1743?
No fix has been published for CVE-2019-1743 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-1743 being exploited?
There is no known exploitation of CVE-2019-1743 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xe
- CVE-2023-20198 Cisco IOS XE Web UI Privilege Escalation
- CVE-2018-0151 Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution
- CVE-2023-20273 Cisco IOS XE Web UI Command Injection
- CVE-2025-20188 Hardcoded credentials in Cisco IOS XE Software
- CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability
Sources
Also known as GHSA-vvhx-6jgc-mjr6.