Description
A vulnerability in the SSH subsystem of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to execute operating system commands as root. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by submitting crafted input when executing remote CLI commands over SSH. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges. An attacker with limited user privileges could use this vulnerability to gain complete control over the system.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1 – 9.17.1
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1.7 – 9.17.1.7
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1.9 – 9.17.1.9
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1.10 – 9.17.1.10
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.1 – 9.18.1
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.1.3 – 9.18.1.3
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1.11 – 9.17.1.11
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.2 – 9.18.2
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1.13 – 9.17.1.13
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1.15 – 9.17.1.15
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.2.5 – 9.18.2.5
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1.20 – 9.17.1.20
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.2.7 – 9.18.2.7
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.19.1 – 9.19.1
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.2.8 – 9.18.2.8
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.3 – 9.18.3
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.19.1.5 – 9.19.1.5
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1.30 – 9.17.1.30
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.19.1.9 – 9.19.1.9
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.3.39 – 9.18.3.39
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.19.1.12 – 9.19.1.12
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.3.46 – 9.18.3.46
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.19.1.18 – 9.19.1.18
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.3.53 – 9.18.3.53
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.3.55 – 9.18.3.55
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.17.1.33 – 9.17.1.33
- Cisco / Cisco Adaptive Security Appliance (ASA) Software9.18.3.56 – 9.18.3.56
References
- VENDOR_ADVISORYhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ssh-rce-gRAuPEUF
- VENDOR_ADVISORYhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-M446vbEO
- VENDOR_ADVISORYhttps://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75300