CVE-2009-1143

HIGHNVD 7.07.0—
EchelonGraph scoreMEDIUM confidence

Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2022-11-23. NVD baseline CVSS 7.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.0Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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).

CVSS v3
7.0
EG Score
7.0(medium)
EPSS
15.9%
KEV
Not listed

Published

November 23, 2022

Last Modified

April 25, 2025

References (4)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 0× in last 7d / 0× 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.

  1. 2026-07-11 08:22 UTCEPSS rescore
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  3. 2026-07-09 19:04 UTCEPSS rescore
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  15. 2026-06-28 13:19 UTCOSV refresh
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  1. 2026-06-22 14:22 UTCEPSS rescore
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  5. 2026-06-19 19:22 UTCEPSS rescore
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  7. 2026-06-18 17:49 UTCEPSS rescore
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  19. 2026-06-10 23:39 UTCOSV refresh
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  45. 2026-05-27 13:38 UTCEPSS rescore
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  48. 2026-05-26 13:41 UTCEPSS rescore
  49. 2026-05-26 07:16 UTCEPSS rescore
  50. 2026-05-26 07:16 UTCEPSS rescore
  51. 2026-05-25 11:37 UTCEG score recompute
  52. 2026-05-25 11:37 UTCGHSA enrichment
  53. 2026-05-24 16:43 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2009-1143?
CVE-2009-1143 is a high vulnerability published on November 23, 2022. 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).
When was CVE-2009-1143 disclosed?
CVE-2009-1143 was first published in the National Vulnerability Database on November 23, 2022, with the most recent update on April 25, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-1143 actively exploited?
CVE-2009-1143 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2009-1143?
CVE-2009-1143 has a CVSS v3 base score of 7.0 (NVD).
How do I remediate CVE-2009-1143?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-1143, 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.

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