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MEDIUM SEVERITY Ransomware Linked
CVE-2020-3580 Cisco · Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)

Cisco ASA and FTD Cross-Site Scripting (XSS) Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

MEDIUM
6.1 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploitation Likelihood

EPSS Prediction

92.62 %
Predictive Probability
Percentile Rank
99.7 th

Documented as more likely to be exploited than 99.7% of known CVEs.

Detection Date

Nov 03, 2021

Remediation Due

May 03, 2022

CISA Catalog Active

Threat Analysis

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an insufficient input validation vulnerability for user-supplied input by the web services interface. Successful exploitation could allow an attacker to perform cross-site scripting (XSS) in the context of the interface or access sensitive browser-based information.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence