CVE-2017-4949

HIGHNVD 7.07.0—

7.0

VMware Workstation and Fusion contain a use-after-free vulnerability in VMware NAT service when IPv6 mode is enabled. This issue may allow a guest to execute code on the host. Note: IPv6 mode for VMNAT is not enabled by default.

CVSS v3: 7.0
EG Score: 7.0(medium)
EPSS: 29.3%
KEV: Not listed

Published

January 11, 2018

Last Modified

November 21, 2024

References (6)

security@vmwarehttp://www.securityfocus.com/bid/102489
security@vmwarehttp://www.securitytracker.com/id/1040161
security@vmwarehttps://www.vmware.com/security/advisories/VMSA-2018-0005.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/102489
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1040161
af854a3a-2127-422b-91ae-364da2661108https://www.vmware.com/security/advisories/VMSA-2018-0005.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-416Use After Free

Data Freshness Timeline

(refreshed 7× in last 7d / 36× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-16 17:50 UTCEPSS rescore
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2026-06-06 13:45 UTCEPSS rescore
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2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
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2026-06-02 20:11 UTCEPSS rescore
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2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
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2026-05-31 00:14 UTCEPSS rescore
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2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 12:41 UTCEG score recompute
2026-05-28 12:41 UTCGHSA enrichment
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-26 13:42 UTCEPSS rescore
2026-05-26 13:42 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore

Frequently asked(5)

What is CVE-2017-4949?

CVE-2017-4949 is a high vulnerability published on January 11, 2018. VMware Workstation and Fusion contain a use-after-free vulnerability in VMware NAT service when IPv6 mode is enabled. This issue may allow a guest to execute code on the host. Note: IPv6 mode for VMNAT is not enabled by default.

When was CVE-2017-4949 disclosed?

CVE-2017-4949 was first published in the National Vulnerability Database on January 11, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-4949 actively exploited?

CVE-2017-4949 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-4949?

CVE-2017-4949 has a CVSS v3 base score of 7.0 (NVD).

How do I remediate CVE-2017-4949?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-4949, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2017-4949

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Is Your Infrastructure Affected by CVE-2017-4949?

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Frequently asked(5)

What is CVE-2017-4949?

When was CVE-2017-4949 disclosed?

Is CVE-2017-4949 actively exploited?

What is the CVSS score of CVE-2017-4949?

CVE-2017-4949 has a CVSS v3 base score of 7.0 (NVD).

How do I remediate CVE-2017-4949?

CVE-2017-4949

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2017-4949?

CVE-2017-4949

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2017-4949?

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References (6)

Frequently asked(5)

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Frequently asked(5)

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