Is CVE-2017-6227 in the CISA KEV catalog?

No. CVE-2017-6227 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-6227?

CVE-2017-6227 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2017-6227?

CVE-2017-6227 has an EPSS score of 0.55% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-6227?

Upgrade fabric operating system to 7.4.2b or later.

CVE & CISA-KEV Catalog

CVE-2017-6227

MEDIUM

6.5

CVSS v3

NVD

Description

A vulnerability in the IPv6 stack on Brocade Fibre Channel SAN products running Brocade Fabric OS (FOS) versions before 7.4.2b, 8.1.2 and 8.2.0 could allow an attacker to cause a denial of service (CPU consumption and device hang) condition by sending crafted Router Advertisement (RA) messages to a targeted system.

How to fix

Remediation Available

fabric operating systemNVD

Affected:< 7.4.2bFixed in:7.4.2bCVE-2017-6227derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.55%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Other references1

broadcom.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.