CVE-2019-1656 Cisco Enterprise NFV Infrastructure Software Linux Shell Access Vulnerability
Authenticated local attackers can exploit improper input validation in the CLI to gain shell access to the underlying Linux OS via console connections.
- 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-2019-1656?
CVE-2019-1656 is a medium-severity command injection vulnerability in Cisco Enterprise NFV Infrastructure Software, published on 24 Jan 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 Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to access the shell of the underlying Linux operating system on the affected device. The vulnerability is due to improper input validation in the affected software. An attacker could exploit this vulnerability by sending crafted commands to the affected device. An exploit could allow the attacker to gain shell access with a nonroot user account to the underlying Linux operating system on the affected device and potentially access system configuration files with sensitive information. This vulnerability only affects console connections from CIMC. It does not apply to remote connections, such as telnet or SSH.
Weakness: CWE-20
Which versions are affected by CVE-2019-1656?
It affects 1 product.
Products include Cisco Enterprise Nfv Infrastructure Software.
How do I fix CVE-2019-1656?
No fix has been published for CVE-2019-1656 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-1656 being exploited?
There is no known exploitation of CVE-2019-1656 in the wild and no public exploit code.
Other vulnerabilities in Cisco Enterprise NFV Infrastructure Software
- CVE-2022-20777 Cisco Enterprise NFV Infrastructure Software Vulnerabilities
- CVE-2022-20779 Cisco Enterprise NFV Infrastructure Software Vulnerabilities
- CVE-2022-20780 Cisco Enterprise NFV Infrastructure Software Vulnerabilities
- CVE-2021-34746 Cisco Enterprise NFV Infrastructure Software Authentication Bypass Vulnerability
- CVE-2020-3470 Cisco Integrated Management Controller Multiple Remote Code Execution Vulnerabilities
Sources
Also known as GHSA-6723-4qx5-jmc9.