CVE-2020-24394

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

A fix is available — apply it.

In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity71% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

August 19, 2020

Last Modified

November 21, 2024

References (20)

Vendor Advisories for CVE-2020-24394(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(10)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-virtual-hwe-20.04 (5.4.0.45.49) @ focal2026-05-27ubuntu
ubuntulinux-image-oracle (4.15.0.1051.42) @ xenial2026-05-27ubuntu
ubuntulinux-image-gkeop-5.3 (5.3.0.65.121) @ bionic2026-05-27ubuntu
redhatkernel-rt-0:4.18.0-305.rt7.72.el82021-05-18redhat
redhatkernel-0:4.18.0-305.el82021-05-18redhat
redhatkernel-0:3.10.0-957.70.1.el72021-03-16redhat
redhatkernel-0:3.10.0-693.82.1.el72021-03-09redhat
redhatkernel-0:3.10.0-1062.45.1.el72021-02-16redhat
redhatkernel-0:3.10.0-1160.11.1.el72020-12-15redhat
redhatkernel-rt-0:3.10.0-1160.11.1.rt56.1145.el72020-12-15redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux—5.7.6-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—5.7.6-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—5.7.6-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—5.7.6-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(9)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 7× in last 7d / 24× 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.

Showing the most recent 100 of 143 total refreshes for this CVE.

  1. 2026-09-07 15:57 UTCEPSS rescore
  2. 2026-09-07 03:47 UTCOSV refresh
  3. 2026-09-06 13:44 UTCEPSS rescore
  4. 2026-09-05 15:24 UTCEPSS rescore
  5. 2026-09-04 13:57 UTCEPSS rescore
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  15. 2026-08-20 22:52 UTCEPSS rescore
  16. 2026-08-20 13:31 UTCOSV refresh
  17. 2026-08-19 17:00 UTCEPSS rescore
  18. 2026-08-18 13:44 UTCEPSS rescore
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  20. 2026-08-16 14:52 UTCEPSS rescore
  21. 2026-08-16 02:11 UTCEPSS rescore
  22. 2026-08-15 01:26 UTCEPSS rescore
  23. 2026-08-13 21:57 UTCEPSS rescore
  24. 2026-08-12 13:47 UTCEPSS rescore
  25. 2026-08-09 13:43 UTCEPSS rescore
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  1. 2026-08-08 16:33 UTCEPSS rescore
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  3. 2026-08-06 13:43 UTCEPSS rescore
  4. 2026-08-05 19:14 UTCEPSS rescore
  5. 2026-08-05 08:41 UTCOSV refresh
  6. 2026-08-04 15:06 UTCEPSS rescore
  7. 2026-08-04 10:34 UTCEPSS rescore
  8. 2026-08-03 10:32 UTCEPSS rescore
  9. 2026-08-02 02:23 UTCEPSS rescore
  10. 2026-08-01 04:12 UTCEPSS rescore
  11. 2026-07-30 16:25 UTCEPSS rescore
  12. 2026-07-30 01:27 UTCEPSS rescore
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  19. 2026-07-23 14:15 UTCEPSS rescore
  20. 2026-07-23 14:15 UTCEPSS rescore
  21. 2026-07-23 01:51 UTCEG score recompute
  22. 2026-07-22 22:37 UTCEG score recompute
  23. 2026-07-22 14:05 UTCEPSS rescore
  24. 2026-07-21 15:22 UTCEPSS rescore
  25. 2026-07-21 15:22 UTCEPSS rescore
  26. 2026-07-20 17:04 UTCEPSS rescore
  27. 2026-07-20 17:04 UTCEPSS rescore
  28. 2026-07-19 14:28 UTCEPSS rescore
  29. 2026-07-19 07:22 UTCOSV refresh
  30. 2026-07-19 02:26 UTCEPSS rescore
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  32. 2026-07-18 10:02 UTCEPSS rescore
  33. 2026-07-16 16:59 UTCEPSS rescore
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  40. 2026-07-12 05:44 UTCEPSS rescore
  41. 2026-07-11 08:25 UTCEPSS rescore
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  43. 2026-07-09 19:07 UTCEPSS rescore
  44. 2026-07-07 13:43 UTCEPSS rescore
  45. 2026-07-07 13:43 UTCEPSS rescore
  46. 2026-07-06 16:25 UTCEPSS rescore
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  48. 2026-07-06 02:21 UTCEPSS rescore
  49. 2026-07-06 02:21 UTCEPSS rescore
  50. 2026-07-05 02:27 UTCEPSS rescore
  51. 2026-07-04 06:29 UTCEPSS rescore
  52. 2026-07-04 06:28 UTCEPSS rescore
  53. 2026-07-01 15:03 UTCEPSS rescore
  54. 2026-07-01 13:21 UTCOSV refresh
  55. 2026-06-30 23:20 UTCEPSS rescore
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  57. 2026-06-28 14:05 UTCEPSS rescore
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  75. 2026-06-16 17:50 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-24394?
CVE-2020-24394 is a high vulnerability published on August 19, 2020. In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.
When was CVE-2020-24394 disclosed?
CVE-2020-24394 was first published in the National Vulnerability Database on August 19, 2020, 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-2020-24394 actively exploited?
CVE-2020-24394 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 70.8% of all scored CVEs.
What is the CVSS score of CVE-2020-24394?
CVE-2020-24394 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2020-24394?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-24394, 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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