CVE-2020-11524

MEDIUMNVD 6.66.6—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.6 under NVD CVSS v3. EPSS exploit probability: 1.8%, top 23% 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
6.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 6.6Exploit: None knownExposed: 0

A fix is available — apply it.

libfreerdp/codec/interleaved.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.

CVSS v3
6.6
EG Score
6.6(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity66% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
77%
KEV
Not listed

Published

May 15, 2020

Last Modified

November 21, 2024

References (10)

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatfreerdp-2:2.0.0-46.rc4.el8_1.12020-06-02redhat
redhatfreerdp-0:2.0.0-4.rc4.el7_82020-05-28redhat
redhatfreerdp-2:2.0.0-46.rc4.el8_2.12020-05-28redhat
redhatfreerdp-2:2.0.0-46.rc4.el8_0.12020-05-28redhat

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

(2 across 2 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
freerdp2—2.1.1+dfsg1-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
freerdp2—2.1.1+dfsg1-1—

Weakness Classification(1)

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

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 8× in last 7d / 31× 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 128 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2020-11524?
CVE-2020-11524 is a medium vulnerability published on May 15, 2020. libfreerdp/codec/interleaved.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.
When was CVE-2020-11524 disclosed?
CVE-2020-11524 was first published in the National Vulnerability Database on May 15, 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-2020-11524 actively exploited?
CVE-2020-11524 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 22.6% of all scored CVEs.
What is the CVSS score of CVE-2020-11524?
CVE-2020-11524 has a CVSS v3 base score of 6.6 (NVD).
How do I remediate CVE-2020-11524?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-11524, 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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