CVE-2021-4478

HIGHPre-NVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-06-02. a secondary CVSS source baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

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

Dräger CC-Vision Basic before 7.5.3 and Dräger CC-Vision E-Cal before 7.2.5.0 contain an out-of-bounds write vulnerability when loading .gdt files. A crafted .gdt file can trigger a buffer overflow during file parsing, allowing an attacker to crash the application or execute malicious code on the underlying system.

CVSS v3
8.2
EG Score
8.2(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
Severity82% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

June 2, 2026

Last Modified

July 22, 2026

References (2)

Vendor Advisories for CVE-2021-4478(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 56× 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 150 total refreshes for this CVE.

  1. 2026-08-01 13:13 UTCEG score recompute
  2. 2026-08-01 13:13 UTCGHSA enrichment
  3. 2026-08-01 04:13 UTCEPSS rescore
  4. 2026-07-31 18:38 UTCGHSA enrichment
  5. 2026-07-31 05:36 UTCEG score recompute
  6. 2026-07-31 05:36 UTCGHSA enrichment
  7. 2026-07-30 16:25 UTCEPSS rescore
  8. 2026-07-30 01:28 UTCEPSS rescore
  9. 2026-07-29 10:44 UTCEG score recompute
  10. 2026-07-29 10:44 UTCGHSA enrichment
  11. 2026-07-28 15:33 UTCEPSS rescore
  12. 2026-07-28 03:36 UTCEG score recompute
  13. 2026-07-28 03:35 UTCGHSA enrichment
  14. 2026-07-27 11:43 UTCGHSA enrichment
  15. 2026-07-26 22:48 UTCEG score recompute
  16. 2026-07-26 22:48 UTCGHSA enrichment
  17. 2026-07-26 14:52 UTCEPSS rescore
  18. 2026-07-25 14:15 UTCEPSS rescore
  19. 2026-07-24 14:15 UTCEPSS rescore
  20. 2026-07-24 14:15 UTCEPSS rescore
  21. 2026-07-23 14:16 UTCEPSS rescore
  22. 2026-07-23 02:05 UTCEG score recompute
  23. 2026-07-22 22:52 UTCEG score recompute
  24. 2026-07-22 14:06 UTCEPSS rescore
  25. 2026-07-21 15:22 UTCEPSS rescore
Show 75 more
  1. 2026-07-21 15:22 UTCEPSS rescore
  2. 2026-07-20 17:05 UTCEPSS rescore
  3. 2026-07-19 14:29 UTCEPSS rescore
  4. 2026-07-19 02:27 UTCEPSS rescore
  5. 2026-07-19 02:27 UTCEPSS rescore
  6. 2026-07-18 10:02 UTCEPSS rescore
  7. 2026-07-16 17:00 UTCEPSS rescore
  8. 2026-07-16 17:00 UTCEPSS rescore
  9. 2026-07-16 00:55 UTCGHSA enrichment
  10. 2026-07-15 16:55 UTCEPSS rescore
  11. 2026-07-14 16:39 UTCGHSA enrichment
  12. 2026-07-14 03:36 UTCGHSA enrichment
  13. 2026-07-13 22:27 UTCEPSS rescore
  14. 2026-07-12 05:44 UTCEPSS rescore
  15. 2026-07-12 01:50 UTCGHSA enrichment
  16. 2026-07-11 12:52 UTCGHSA enrichment
  17. 2026-07-11 08:25 UTCEPSS rescore
  18. 2026-07-09 19:07 UTCEPSS rescore
  19. 2026-07-09 19:07 UTCEPSS rescore
  20. 2026-07-09 07:25 UTCGHSA enrichment
  21. 2026-07-08 16:34 UTCGHSA enrichment
  22. 2026-07-08 15:12 UTCEPSS rescore
  23. 2026-07-08 15:12 UTCEPSS rescore
  24. 2026-07-07 13:43 UTCEPSS rescore
  25. 2026-07-06 16:25 UTCEPSS rescore
  26. 2026-07-06 16:25 UTCEPSS rescore
  27. 2026-07-05 02:28 UTCEPSS rescore
  28. 2026-07-05 02:28 UTCEPSS rescore
  29. 2026-07-04 06:29 UTCEPSS rescore
  30. 2026-07-04 06:29 UTCEPSS rescore
  31. 2026-07-03 22:18 UTCGHSA enrichment
  32. 2026-07-02 13:50 UTCGHSA enrichment
  33. 2026-07-02 00:12 UTCGHSA enrichment
  34. 2026-07-01 11:19 UTCGHSA enrichment
  35. 2026-06-30 22:25 UTCGHSA enrichment
  36. 2026-06-30 00:16 UTCGHSA enrichment
  37. 2026-06-29 14:04 UTCEPSS rescore
  38. 2026-06-29 14:04 UTCEPSS rescore
  39. 2026-06-29 11:06 UTCGHSA enrichment
  40. 2026-06-28 22:00 UTCGHSA enrichment
  41. 2026-06-28 14:05 UTCEPSS rescore
  42. 2026-06-28 09:06 UTCGHSA enrichment
  43. 2026-06-28 04:54 UTCEPSS rescore
  44. 2026-06-28 04:54 UTCEPSS rescore
  45. 2026-06-27 20:12 UTCGHSA enrichment
  46. 2026-06-27 07:18 UTCGHSA enrichment
  47. 2026-06-27 03:07 UTCEPSS rescore
  48. 2026-06-27 03:06 UTCEPSS rescore
  49. 2026-06-26 18:25 UTCGHSA enrichment
  50. 2026-06-26 05:14 UTCGHSA enrichment
  51. 2026-06-25 16:21 UTCGHSA enrichment
  52. 2026-06-25 13:48 UTCEPSS rescore
  53. 2026-06-25 13:48 UTCEPSS rescore
  54. 2026-06-25 03:27 UTCGHSA enrichment
  55. 2026-06-24 14:34 UTCGHSA enrichment
  56. 2026-06-24 14:03 UTCEPSS rescore
  57. 2026-06-24 14:03 UTCEPSS rescore
  58. 2026-06-23 21:31 UTCEPSS rescore
  59. 2026-06-23 21:31 UTCEPSS rescore
  60. 2026-06-23 19:30 UTCGHSA enrichment
  61. 2026-06-22 14:24 UTCEPSS rescore
  62. 2026-06-21 14:55 UTCEPSS rescore
  63. 2026-06-21 01:58 UTCEPSS rescore
  64. 2026-06-21 01:58 UTCEPSS rescore
  65. 2026-06-20 12:59 UTCGHSA enrichment
  66. 2026-06-19 23:59 UTCGHSA enrichment
  67. 2026-06-19 19:24 UTCEPSS rescore
  68. 2026-06-19 19:24 UTCEPSS rescore
  69. 2026-06-18 17:51 UTCEPSS rescore
  70. 2026-06-18 17:51 UTCEPSS rescore
  71. 2026-06-18 16:40 UTCGHSA enrichment
  72. 2026-06-17 22:46 UTCGHSA enrichment
  73. 2026-06-17 17:51 UTCEPSS rescore
  74. 2026-06-17 17:51 UTCEPSS rescore
  75. 2026-06-17 09:53 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-4478?
CVE-2021-4478 is a high vulnerability published on June 2, 2026. Dräger CC-Vision Basic before 7.5.3 and Dräger CC-Vision E-Cal before 7.2.5.0 contain an out-of-bounds write vulnerability when loading .gdt files. A crafted .gdt file can trigger a buffer overflow during file parsing, allowing an attacker to crash the application or execute malicious code on the…
When was CVE-2021-4478 disclosed?
CVE-2021-4478 was first published in the National Vulnerability Database on June 2, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-4478 actively exploited?
CVE-2021-4478 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 97.7% of all scored CVEs.
What is the CVSS score of CVE-2021-4478?
CVE-2021-4478 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2021-4478?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-4478, 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.

Dependency Blast Radius

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