How severe is CVE-2017-6674?

CVE-2017-6674 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-6674 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6674?

CVE-2017-6674 primarily affects Cisco Firesight System. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-6674?

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-2017-6674 published?

CVE-2017-6674 was published on 2017-06-13 and last updated on 2026-06-17.

CVE-2017-6674

CVE-2017-6674 is a high-severity vulnerability in Cisco Firesight System with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Firesight System
Published: 2017-06-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-6674?: 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.
How severe is CVE-2017-6674?: CVE-2017-6674 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-6674 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6674?: CVE-2017-6674 primarily affects Cisco Firesight System. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-6674?: 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-2017-6674 published?: CVE-2017-6674 was published on 2017-06-13 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:cisco:firesight_system:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system:6.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system:6.2.1:*:*:*:*:*:*:*

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