Is CVE-2017-4905 in the CISA KEV catalog?

No. CVE-2017-4905 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-4905?

CVE-2017-4905 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2017-4905?

CVE-2017-4905 has an EPSS score of 1.20% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-4905?

Upgrade fusion to 8.5.6 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-4905

MEDIUM

5.5

CVSS v3

NVD

Description

VMware ESXi 6.5 without patch ESXi650-201703410-SG, 6.0 U3 without patch ESXi600-201703401-SG, 6.0 U2 without patch ESXi600-201703403-SG, 6.0 U1 without patch ESXi600-201703402-SG, 5.5 without patch ESXi550-201703401-SG; Workstation Pro / Player 12.x prior to 12.5.5; and Fusion Pro / Fusion 8.x prior to 8.5.6 have uninitialized memory usage. This issue may lead to an information leak.

CWE-908

How to fix

Remediation Available

fusionNVD

Affected:>= 8.0.0, < 8.5.6Fixed in:8.5.6CVE-2017-4905derived from NVD

fusion proNVD

Affected:>= 8.0.0, < 8.5.6Fixed in:8.5.6CVE-2017-4905derived from NVD

workstation playerNVD

Affected:>= 12.0.0, < 12.5.5Fixed in:12.5.5CVE-2017-4905derived from NVD

workstation proNVD

Affected:>= 12.0.0, < 12.5.5Fixed in:12.5.5CVE-2017-4905derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.20%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Patch1

vmware.com

Third-Party Advisory3

Related Vulnerabilities

Other CWE-908 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2023-24941	Critical	9.8	95%	-	Fix
CVE-2007-1751	High	9.3	61%	-	-
CVE-2008-0081	Critical	9.8	58%	-	-
CVE-2020-1934	Medium	5.3	52%	-	Fix
CVE-2011-1255	High	9.3	42%	-	-

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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 2026-05-13.