How severe is CVE-2016-6395?

CVE-2016-6395 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2016-6395 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6395?

CVE-2016-6395 primarily affects Cisco Firesight System Software. In total, 52 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6395?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-6395 published?

CVE-2016-6395 was published on 2016-09-12 and last updated on 2026-06-17.

CVE-2016-6395

CVE-2016-6395 is a medium-severity vulnerability in Cisco Firesight System Software with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Firesight System Software
Published: 2016-09-12
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the web-based management interface in Cisco Firepower Management Center before 6.1 and FireSIGHT System Software before 6.1 allows remote authenticated users to inject arbitrary web script or HTML via a crafted URL, aka Bug ID CSCuz58658.

Frequently asked questions

What is CVE-2016-6395?: Cross-site scripting (XSS) vulnerability in the web-based management interface in Cisco Firepower Management Center before 6.1 and FireSIGHT System Software before 6.1 allows remote authenticated users to inject arbitrary web script or HTML via a crafted URL, aka Bug ID CSCuz58658.
How severe is CVE-2016-6395?: CVE-2016-6395 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2016-6395 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6395?: CVE-2016-6395 primarily affects Cisco Firesight System Software. In total, 52 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-6395?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-6395 published?: CVE-2016-6395 was published on 2016-09-12 and last updated on 2026-06-17.

References

Affected products (52)

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:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.7:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.0.1:*:*:*:*:*:*:*

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