CVE-2020-13938

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 12%CVSS: 5.5Exploit: Elevated riskExposed: 0

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

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity55% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
12%
EPSS %ILE
96%
KEV
Not listed

Published

June 10, 2021

Last Modified

November 21, 2024

References (14)

Affected Packages

(15 across 15 ecosystems)
Alpine:v3.10(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.11(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.12(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.13(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.14(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.15(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.16(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.17(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.18(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.19(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.20(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.21(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
apache2—2.4.48-r0—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× 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. 2026-09-19 15:37 UTCEPSS rescore
  2. 2026-09-18 19:23 UTCEPSS rescore
  3. 2026-09-17 19:22 UTCEPSS rescore
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  16. 2026-09-01 06:53 UTCOSV refresh
  17. 2026-09-01 03:32 UTCEPSS rescore
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  1. 2026-08-18 13:44 UTCEPSS rescore
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  3. 2026-08-16 02:11 UTCEPSS rescore
  4. 2026-08-15 06:37 UTCOSV refresh
  5. 2026-08-15 01:26 UTCEPSS rescore
  6. 2026-08-13 21:57 UTCEPSS rescore
  7. 2026-08-12 13:47 UTCEPSS rescore
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  9. 2026-08-08 16:33 UTCEPSS rescore
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  17. 2026-07-30 18:21 UTCOSV refresh
  18. 2026-07-30 16:24 UTCEPSS rescore
  19. 2026-07-28 15:32 UTCEPSS rescore
  20. 2026-07-26 14:51 UTCEPSS rescore
  21. 2026-07-25 14:14 UTCEPSS rescore
  22. 2026-07-24 14:14 UTCEPSS rescore
  23. 2026-07-23 14:15 UTCEPSS rescore
  24. 2026-07-23 14:15 UTCEPSS rescore
  25. 2026-07-23 01:49 UTCEG score recompute
  26. 2026-07-22 22:34 UTCEG score recompute
  27. 2026-07-22 14:05 UTCEPSS rescore
  28. 2026-07-21 15:22 UTCEPSS rescore
  29. 2026-07-21 15:22 UTCEPSS rescore
  30. 2026-07-20 17:04 UTCEPSS rescore
  31. 2026-07-19 14:28 UTCEPSS rescore
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  38. 2026-07-15 16:55 UTCEPSS rescore
  39. 2026-07-13 22:27 UTCEPSS rescore
  40. 2026-07-13 06:10 UTCEPSS rescore
  41. 2026-07-13 06:10 UTCEPSS rescore
  42. 2026-07-13 03:37 UTCOSV refresh
  43. 2026-07-12 05:44 UTCEPSS rescore
  44. 2026-07-11 08:24 UTCEPSS rescore
  45. 2026-07-09 19:06 UTCEPSS rescore
  46. 2026-07-08 15:11 UTCEPSS rescore
  47. 2026-07-07 13:43 UTCEPSS rescore
  48. 2026-07-06 16:25 UTCEPSS rescore
  49. 2026-07-06 16:25 UTCEPSS rescore
  50. 2026-07-05 02:27 UTCEPSS rescore
  51. 2026-07-01 15:03 UTCEPSS rescore
  52. 2026-07-01 15:03 UTCEPSS rescore
  53. 2026-06-30 23:20 UTCEPSS rescore
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  55. 2026-06-28 14:05 UTCEPSS rescore
  56. 2026-06-28 04:54 UTCEPSS rescore
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  58. 2026-06-27 03:06 UTCEPSS rescore
  59. 2026-06-25 13:47 UTCEPSS rescore
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  61. 2026-06-24 14:03 UTCEPSS rescore
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  63. 2026-06-24 13:02 UTCOSV refresh
  64. 2026-06-23 21:31 UTCEPSS rescore
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  70. 2026-06-21 01:57 UTCEPSS rescore
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  72. 2026-06-18 17:50 UTCEPSS rescore
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  74. 2026-06-17 17:50 UTCEPSS rescore
  75. 2026-06-17 17:50 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2020-13938?
CVE-2020-13938 is a medium vulnerability published on June 10, 2021. Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows
When was CVE-2020-13938 disclosed?
CVE-2020-13938 was first published in the National Vulnerability Database on June 10, 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-2020-13938 actively exploited?
CVE-2020-13938 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12% probability of exploitation in the next 30 days, which ranks it in the top 4.1% of all scored CVEs.
What is the CVSS score of CVE-2020-13938?
CVE-2020-13938 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2020-13938?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-13938, 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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