Improper input validation in Cisco Firepower System Software 5.x 6.x
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
A vulnerability in Cisco Firepower System Software could allow an unauthenticated, remote attacker to maliciously bypass the appliance's ability to block certain web content, aka a URL Bypass. More Information: CSCvb93980. Known Affected Releases: 5.3.0 5.4.0 6.0.0 6.0.1 6.1.0.
Why it matters now
EPSS 0.01853 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Cisco Firepower System Software 5.x 6.x | Cisco Firepower System Software 5.x 6.x | — | No fix listed | CNA |
- Cisco Firepower System Software 5.x 6.x Vendor— Affected Cisco Firepower System Software 5.x 6.x Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:secure_firewall_management_center:5.3.0:*:*:*:*:*:*:* | 5.3.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_firewall_management_center:5.4.0:*:*:*:*:*:*:* | 5.4.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_firewall_management_center:6.0.0:*:*:*:*:*:*:* | 6.0.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_firewall_management_center:6.0.1:*:*:*:*:*:*:* | 6.0.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_firewall_management_center:6.1.0:*:*:*:*:*:*:* | 6.1.0 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:secure_firewall_management_center:5.3.0:*:*:*:*:*:*:* Versions 5.3.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_firewall_management_center:5.4.0:*:*:*:*:*:*:* Versions 5.4.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_firewall_management_center:6.0.0:*:*:*:*:*:*:* Versions 6.0.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_firewall_management_center:6.0.1:*:*:*:*:*:*:* Versions 6.0.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_firewall_management_center:6.1.0:*:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-3814
- 2026-10-03 Alias added: GHSA-6jr8-8wm2-r335
References
More Cisco Secure Firewall Management Center vulnerabilities
- TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16292 Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16502 Cisco Secure Firewall Management Center Software Static Credential Vulnerability KEVCVSS 3.1MEDIUM 5.3
- TI-2016-05515 The Threat Management Console in Cisco Firepower Management Center 5.2.0 through 6.0.1… CVSS 3.1HIGH 8.8
- TI-2025-14563 Cisco Secure Firewall Management Center Software Radius Remote Code Execution Vulnerability CVSS 3.1CRITICAL 10.0
- TI-2023-06757 Improper privilege management in Cisco Firepower Management Center CVSS 3.1CRITICAL 9.9
Sources
- CVE-2017-3814 · CVE Program
- CVE-2017-3814 · NVD
- FIRST EPSS
- GHSA-6jr8-8wm2-r335 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences