CVE-2026-20342
published 2026-09-16CVE-2026-20342: 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…
PriorityP357high7.7CVSS 3.1
AVNACLPRLUINSCCHINAN
EPSS
0.55%
44.8th percentile
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).
Affected
68 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
| cisco | cisco_secure_firewall_management_center | — | — |
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GHSA
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.
ghsa_unreviewed·2026-09-16
CVE-2026-20342 [HIGH] CWE-639 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.
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).
VulDB
Cisco Secure Firewall Management Center up to 10.0.1 File Download API path traversal
vuldb·2026-09-16·CVSS 7.7
CVE-2026-20342 [HIGH] Cisco Secure Firewall Management Center up to 10.0.1 File Download API path traversal
A vulnerability classified as problematic was found in Cisco Secure Firewall Management Center. Impacted is an unknown function of the component File Download API. The manipulation results in path traversal.
This vulnerability is cataloged as CVE-2026-20342. The attack may be launched remotely. There is no exploit available.
Upgrading the affected component is advised.
No detection rules found.
No public exploits indexed.
2026-09-16
Published