CVE-2011-4126

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.1 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 34% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.1Exploit: NoneExposed: 0

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

Race condition issues were found in Calibre at devices/linux_mount_helper.c allowing unprivileged users the ability to mount any device to anywhere.

CVSS v3
8.1
EG Score
8.1(medium)
EPSS
71.1%
KEV
Not listed

Published

October 27, 2021

Last Modified

November 21, 2024

References (8)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 43× 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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  15. 2026-06-30 09:00 UTCOSV refresh
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  1. 2026-06-23 21:30 UTCEPSS rescore
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  18. 2026-06-12 18:10 UTCOSV refresh
  19. 2026-06-11 13:56 UTCEPSS rescore
  20. 2026-06-10 22:14 UTCEPSS rescore
  21. 2026-06-10 13:17 UTCEPSS rescore
  22. 2026-06-08 14:14 UTCEPSS rescore
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  24. 2026-06-07 15:22 UTCEPSS rescore
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  26. 2026-06-06 13:45 UTCEPSS rescore
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  44. 2026-05-27 13:38 UTCEPSS rescore
  45. 2026-05-27 13:38 UTCEPSS rescore
  46. 2026-05-26 13:41 UTCEPSS rescore
  47. 2026-05-26 13:41 UTCEPSS rescore
  48. 2026-05-26 08:26 UTCEG score recompute
  49. 2026-05-26 08:26 UTCGHSA enrichment
  50. 2026-05-26 07:16 UTCEPSS rescore
  51. 2026-05-26 07:16 UTCEPSS rescore
  52. 2026-05-24 16:43 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2011-4126?
CVE-2011-4126 is a high vulnerability published on October 27, 2021. Race condition issues were found in Calibre at devices/linuxmounthelper.c allowing unprivileged users the ability to mount any device to anywhere.
When was CVE-2011-4126 disclosed?
CVE-2011-4126 was first published in the National Vulnerability Database on October 27, 2021, 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-2011-4126 actively exploited?
CVE-2011-4126 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2011-4126?
CVE-2011-4126 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2011-4126?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4126, 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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