CVE-2023-20075 Command injection in Cisco Secure Email
Authenticated administrators can inject OS commands into the CLI to escape restricted prompts and execute arbitrary code on the underlying system.
- 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-2023-20075?
CVE-2023-20075 is a medium-severity command injection vulnerability in Cisco Email Security Appliance, published on 16 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Vulnerability in the CLI of Cisco Secure Email Gateway could allow an authenticated, remote attacker to execute arbitrary commands. These vulnerability is due to improper input validation in the CLI. An attacker could exploit this vulnerability by injecting operating system commands into a legitimate command. A successful exploit could allow the attacker to escape the restricted command prompt and execute arbitrary commands on the underlying operating system. To successfully exploit this vulnerability, an attacker would need valid Administrator credentials.
Which versions are affected by CVE-2023-20075?
It affects 1 product.
Products include Cisco Email Security Appliance.
How do I fix CVE-2023-20075?
No fix has been published for CVE-2023-20075 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-2023-20075 being exploited?
There is no known exploitation of CVE-2023-20075 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Cisco Email Security Appliance
- CVE-2022-20798 Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability
- CVE-2015-6291 Denial of service in n/a
- CVE-2022-20664 Cisco Email Security Appliance and Cisco Secure Email and Web Manager Information Disclosure Vulnerability
- CVE-2022-20960 Denial of service in Cisco Secure Email
- CVE-2018-0419 Security feature bypass in Email Security Appliance (ESA)
Sources
Also known as GHSA-vwv2-hg2h-447m.