First published: Wed Oct 21 2020(Updated: )
A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass a configured access rule and access parts of the WebVPN portal that are supposed to be blocked. The vulnerability is due to insufficient validation of URLs when portal access rules are configured. An attacker could exploit this vulnerability by accessing certain URLs on the affected device.
Credit: ykramarz@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco Firepower Threat Defense | <6.3.0.6 | |
Cisco Firepower Threat Defense | >=6.4.0<6.4.0.10 | |
Cisco Firepower Threat Defense | >=6.5.0<6.5.0.5 | |
Cisco Firepower Threat Defense | >=6.6.0<6.6.1 | |
Cisco Adaptive Security Appliance Software | <9.6.4.45 | |
Cisco Adaptive Security Appliance Software | >=9.7<9.8.4.26 | |
Cisco Adaptive Security Appliance Software | >=9.9<9.9.2.80 | |
Cisco Adaptive Security Appliance Software | >=9.10<9.10.1.44 | |
Cisco Adaptive Security Appliance Software | >=9.12<9.12.4.4 | |
Cisco Adaptive Security Appliance Software | >=9.13<9.13.1.13 | |
Cisco Adaptive Security Appliance Software | >=9.14<9.14.1.19 |
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CVE-2020-3578 is a vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software.
CVE-2020-3578 allows an unauthenticated, remote attacker to bypass a configured access rule and access parts of the WebVPN portal that are supposed to be blocked.
Cisco Adaptive Security Appliance (ASA) Software versions 9.6.4.45 to 9.14.1.19 and Cisco Firepower Threat Defense (FTD) Software versions 6.3.0.6 to 6.6.1 are affected by CVE-2020-3578.
CVE-2020-3578 has a severity score of 6.5, which is considered medium.
Update to a fixed version of Cisco Adaptive Security Appliance (ASA) Software or Cisco Firepower Threat Defense (FTD) Software as mentioned in the advisory provided by Cisco.