Is CVE-2018-6440 in the CISA KEV catalog?

No. CVE-2018-6440 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-6440?

CVE-2018-6440 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2018-6440?

CVE-2018-6440 has an EPSS score of 2.18% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-6440?

Upgrade fabric operating system to 8.2.1 or later.

CVE & CISA-KEV Catalog

CVE-2018-6440

CRITICALEPSS 80th pctl

9.1

CVSS v3

NVD

Description

A vulnerability in the proxy service of Brocade Fabric OS versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow remote unauthenticated attackers to obtain sensitive information and possibly cause a denial of service attack.

How to fix

Remediation Available

fabric operating systemNVD

Affected:>= 8.2.0, < 8.2.1Fixed in:8.2.1CVE-2018-6440derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.18%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Mitigation1

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.