CVE-2018-0095 Privilege escalation in Cisco Email Security and Content Security Management Appliance
An authenticated local attacker can escalate privileges to root on Cisco ESA and SMA devices by issuing crafted commands in the administrative shell.
- 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-2018-0095?
CVE-2018-0095 is a high-severity vulnerability in Cisco Asyncos, published on 18 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the administrative shell of Cisco AsyncOS on Cisco Email Security Appliance (ESA) and Content Security Management Appliance (SMA) could allow an authenticated, local attacker to escalate their privilege level and gain root access. The attacker has to have a valid user credential with at least a privilege level of a guest user. The vulnerability is due to an incorrect networking configuration at the administrative shell CLI. An attacker could exploit this vulnerability by authenticating to the targeted device and issuing a set of crafted, malicious commands at the administrative shell. An exploit could allow the attacker to gain root access on the device. Cisco Bug IDs: CSCvb34303, CSCvb35726.
Weakness: CWE-264
Which versions are affected by CVE-2018-0095?
It affects 1 product.
Products include Cisco Asyncos.
How do I fix CVE-2018-0095?
No fix has been published for CVE-2018-0095 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-0095 being exploited?
There is no known exploitation of CVE-2018-0095 in the wild and no public exploit code.
Other vulnerabilities in Cisco Asyncos
- CVE-2025-20393 Cisco Multiple Products Improper Input Validation
- CVE-2026-76519 Cisco Secure Email Gateway Relative Path Traversal
- CVE-2026-76461 Cisco Secure Email Gateway SQL Injection
- CVE-2024-20435 Command injection in Cisco Secure Web Appliance
- CVE-2019-15956 Cisco Web Security Appliance Unauthorized Device Reset Vulnerability
Sources
Also known as GHSA-24rf-59x9-98x7.