How severe is CVE-2016-6417?

CVE-2016-6417 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-6417 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6417?

CVE-2016-6417 primarily affects Cisco Firesight System Software. In total, 70 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6417?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-6417 published?

CVE-2016-6417 was published on 2016-10-05 and last updated on 2026-06-17.

CVE-2016-6417

CVE-2016-6417 is a high-severity vulnerability in Cisco Firesight System Software with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Cisco Firesight System Software
Published: 2016-10-05
Last modified: 2026-06-17

Description

Cross-site request forgery (CSRF) vulnerability in Cisco FireSIGHT System Software 4.10.2 through 6.1.0 and Firepower Management Center allows remote attackers to hijack the authentication of arbitrary users, aka Bug ID CSCva21636.

Frequently asked questions

What is CVE-2016-6417?: Cross-site request forgery (CSRF) vulnerability in Cisco FireSIGHT System Software 4.10.2 through 6.1.0 and Firepower Management Center allows remote attackers to hijack the authentication of arbitrary users, aka Bug ID CSCva21636.
How severe is CVE-2016-6417?: CVE-2016-6417 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-6417 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6417?: CVE-2016-6417 primarily affects Cisco Firesight System Software. In total, 70 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-6417?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-6417 published?: CVE-2016-6417 was published on 2016-10-05 and last updated on 2026-06-17.

References

Affected products (70)

cpe:2.3:a:cisco:firesight_system_software:4.10.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.2.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.2.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.2.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.2.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.2.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.7:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.8:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.9:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:4.10.3.10:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.8:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.9:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.10:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.1.1.11:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.8:*:*:*:*:*:*:*

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