How severe is CVE-2009-1143?

CVE-2009-1143 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2009-1143 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1143?

CVE-2009-1143 affects Vmware Open-vm-tools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-1143?

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-2009-1143 published?

CVE-2009-1143 was published on 2022-11-23 and last updated on 2026-06-16.

CVE-2009-1143

CVE-2009-1143 is a high-severity vulnerability in Vmware Open-vm-tools with a CVSS 3.x base score of 7.0. 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-59.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Vmware Open-vm-tools
Published: 2022-11-23
Last modified: 2026-06-16

Description

An issue was discovered in open-vm-tools 2009.03.18-154848. Local users can bypass intended access restrictions on mounting shares via a symlink attack that leverages a realpath race condition in mount.vmhgfs (aka hgfsmounter).

Frequently asked questions

What is CVE-2009-1143?: An issue was discovered in open-vm-tools 2009.03.18-154848. Local users can bypass intended access restrictions on mounting shares via a symlink attack that leverages a realpath race condition in mount.vmhgfs (aka hgfsmounter).
How severe is CVE-2009-1143?: CVE-2009-1143 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2009-1143 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1143?: CVE-2009-1143 affects Vmware Open-vm-tools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-1143?: 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-2009-1143 published?: CVE-2009-1143 was published on 2022-11-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:vmware:open-vm-tools:2009.03.18-154848:*:*:*:*:*:*:*

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