CVE-2020-11086

LOWNVD 3.13.1—
EchelonGraph scoreMEDIUM confidence

This low-severity CVE scores 3.1 under NVD CVSS v3. EPSS exploit probability: 1.4%, top 30% 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
Trending — 3 sources updated this week
3.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 3.1Exploit: NoneExposed: 0

A fix is available — apply it.

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_ntlm_v2_client_challenge that reads up to 28 bytes out-of-bound to an internal structure. This has been fixed in 2.1.0.

CVSS v3
3.1
EG Score
3.1(medium)
EG Risk
—
EPSS
70.1%
KEV
Not listed

Published

May 29, 2020

Last Modified

November 21, 2024

References (8)

Vendor Advisories for CVE-2020-11086(2)

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

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatvinagre-0:3.22.0-23.el82020-11-04redhat
redhatfreerdp-0:2.1.1-2.el72020-09-29redhat

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.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 42× 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.

  1. 2026-07-22 22:32 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
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  8. 2026-07-19 11:52 UTCOSV refresh
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  1. 2026-07-05 02:27 UTCEPSS rescore
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  3. 2026-07-01 20:31 UTCOSV refresh
  4. 2026-07-01 15:03 UTCEPSS rescore
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  35. 2026-06-14 02:13 UTCOSV refresh
  36. 2026-06-13 22:58 UTCEPSS rescore
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  38. 2026-06-12 23:09 UTCEPSS rescore
  39. 2026-06-11 13:58 UTCEPSS rescore
  40. 2026-06-10 22:16 UTCEPSS rescore
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  45. 2026-06-07 15:23 UTCEPSS rescore
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  47. 2026-06-06 13:45 UTCEPSS rescore
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  50. 2026-06-05 22:45 UTCEPSS rescore
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  64. 2026-05-27 13:39 UTCEPSS rescore
  65. 2026-05-27 03:11 UTCEG score recompute
  66. 2026-05-27 03:11 UTCVendor advisory
  67. 2026-05-26 13:42 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2020-11086?
CVE-2020-11086 is a low vulnerability published on May 29, 2020. In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlmreadntlmv2client_challenge that reads up to 28 bytes out-of-bound to an internal structure. This has been fixed in 2.1.0.
When was CVE-2020-11086 disclosed?
CVE-2020-11086 was first published in the National Vulnerability Database on May 29, 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-2020-11086 actively exploited?
CVE-2020-11086 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-11086?
CVE-2020-11086 has a CVSS v3 base score of 3.1 (NVD).
How do I remediate CVE-2020-11086?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-11086, 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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