CVE-2020-37234

MEDIUMNVD 6.26.2—
EchelonGraph scoreMEDIUM confidence

Score 6.2 from GitHub Security Advisory published 2026-05-16. NVD baseline CVSS 6.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
6.2
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.2Exploit: NoneExposed: 0

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

Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in the Scheduler component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data exceeding 5000 bytes into the 'Open the following file when done' field to trigger a denial of service condition.

CVSS v3
6.2
EG Score
6.2(medium)
EPSS
4.4%
KEV
Not listed

Published

May 16, 2026

Last Modified

May 18, 2026

Advisory Details (4)

Auto-updated May 16, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Internet Download Manager 6.38.12 Scheduler Buffer Overflow | Advisories | VulnCheck

https://www.vulncheck.com/advisories/internet-download-manager-scheduler-buffer-overflow
generic🟡 PoC Available

Internet Download Manager 6.38.12 - Scheduler Downloads Scheduler Buffer Overflow (PoC) - Windows dos Exploit

https://www.exploit-db.com/exploits/49083
generic

Download the latest free trial version of Internet Download Manager

http://www.internetdownloadmanager.com/download.html
generic

Internet Download Manager is a powerful download accelerator

http://www.internetdownloadmanager.com/

Vendor Advisories for CVE-2020-37234(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 11× in last 7d / 54× 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 159 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2020-37234?
CVE-2020-37234 is a medium vulnerability published on May 16, 2026. Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in the Scheduler component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data exceeding 5000 bytes into the 'Open the following file when done' field to…
When was CVE-2020-37234 disclosed?
CVE-2020-37234 was first published in the National Vulnerability Database on May 16, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-37234 actively exploited?
CVE-2020-37234 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-37234?
CVE-2020-37234 has a CVSS v3 base score of 6.2 (NVD).
How do I remediate CVE-2020-37234?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-37234, 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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