Auth bypass in Cisco Adaptive Security Appliance Software
CVE-2020-3578
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-r… (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3578?
- CVE-2020-3578 is a medium-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2020-10-21.
- How severe is CVE-2020-3578?
- Medium severity. CVSS v3 base score is 5.3 out of 10.