Improper input validation in Cisco Firepower System Software
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
A vulnerability in the feature-license management functionality of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass URL filters that have been configured for an affected device. More Information: CSCvb16413. Known Affected Releases: 6.0.1 6.1.0 6.2.0 6.2.1. Known Fixed Releases: 6.2.1 6.2.0.1 6.1.0.2.
Why it matters now
EPSS 0.01553 75th 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 | Cisco Firepower System Software | — | No fix listed | CNA |
- Cisco Firepower System Software Vendor— Affected Cisco Firepower System Software Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:firesight_system:6.0.1:*:*:*:*:*:*:* | 6.0.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firesight_system:6.1.0:*:*:*:*:*:*:* | 6.1.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firesight_system:6.2.0:*:*:*:*:*:*:* | 6.2.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firesight_system:6.2.1:*:*:*:*:*:*:* | 6.2.1 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:firesight_system:6.0.1:*:*:*:*:*:*:* Versions 6.0.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:firesight_system:6.1.0:*:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:firesight_system:6.2.0:*:*:*:*:*:*:* Versions 6.2.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:firesight_system:6.2.1:*:*:*:*:*:*:* Versions 6.2.1 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-6674
- 2026-10-03 Alias added: GHSA-x82j-c66q-2vhm
References
Sources
- CVE-2017-6674 · CVE Program
- CVE-2017-6674 · NVD
- FIRST EPSS
- GHSA-x82j-c66q-2vhm · GitHub Advisory Database · CC BY 4.0
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