CVE-2026-20342
Cisco Secure Firewall Management Center Software Low Privileged Arbitrary File Download Vulnerability
Severity
High 7.7
CVSS 3.1
Exploited
Not listed
EPSS
0.005
44.9th percentile
Discovered by
Vendor
Vendor-published field
Published
Sep 16, 2026
Assigned by cisco
Description
A vulnerability in a specific file download API of Cisco Secure FMC Software could allow an authenticated, remote attacker to download arbitrary files from an affected system. This vulnerability exists because user input is not being sanitized. An attacker could exploit this vulnerability by sending a crafted HTTPS request. A successful exploit could allow the attacker to download arbitrary files from the affected system. To exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of Security Analyst (read-only).
Weakness: CWE-639
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Secure Firewall | Firewall / NGFW | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Secure Firewall Management Center (FMC)