CVE-2020-8698

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: ghsa, nvd
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.5Exploit: NoneExposed: 0

A fix is available — apply it.

Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

CVSS v3
5.5
EG Score
5.5(medium)
EPSS
40.4%
KEV
Not listed

Published

November 12, 2020

Last Modified

November 21, 2024

References (10)

Vendor Advisories for CVE-2020-8698(9)

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

Patch Availability(24)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuintel-microcode (3.20210216.0ubuntu0.18.04.1) @ bionic2026-05-23ubuntu
ubuntuintel-microcode (3.20201110.0ubuntu0.16.04.1) @ xenial2026-05-23ubuntu
redhatmicrocode_ctl-2:2.1-47.23.el7_62021-08-31redhat
redhatmicrocode_ctl-2:2.1-12.39.el7_22021-08-31redhat
redhatmicrocode_ctl-4:20191115-4.20210608.1.el8_22021-08-31redhat
redhatmicrocode_ctl-2:2.1-16.42.el7_32021-08-31redhat
redhatmicrocode_ctl-2:2.1-22.41.el7_42021-08-24redhat
redhatmicrocode_ctl-4:20190618-1.20210608.1.el8_12021-08-17redhat
redhatmicrocode_ctl-2:2.1-53.18.el7_72021-08-10redhat
redhatmicrocode_ctl-4:20210216-1.20210608.1.el8_42021-08-09redhat
redhatmicrocode_ctl-2:2.1-73.11.el7_92021-08-09redhat
redhatmicrocode_ctl-4:20190618-1.20201112.1.el8_12020-12-08redhat
redhatmicrocode_ctl-2:2.1-12.34.el7_22020-11-23redhat
redhatmicrocode_ctl-2:2.1-47.18.el7_62020-11-23redhat
redhatmicrocode_ctl-2:1.17-19.32.el6_62020-11-23redhat
redhatmicrocode_ctl-2:2.1-16.37.el7_32020-11-23redhat
redhatmicrocode_ctl-2:2.1-22.36.el7_42020-11-23redhat
redhatmicrocode_ctl-2:2.1-53.13.el7_72020-11-23redhat
redhatmicrocode_ctl-4:20191115-4.20201112.1.el8_22020-11-23redhat
redhatmicrocode_ctl-4:20180807a-2.20201112.1.el8_02020-11-23redhat
redhatmicrocode_ctl-2:1.17-17.34.el6_52020-11-23redhat
redhatmicrocode_ctl-2:2.1-73.2.el7_92020-11-11redhat
redhatmicrocode_ctl-2:1.17-33.31.el6_102020-11-11redhat
redhatmicrocode_ctl-4:20200609-2.20201027.1.el8_32020-11-11redhat

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.

Additional Vendor Advisories

(15)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 11× in last 7d / 50× 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 103 total refreshes for this CVE.

  1. 2026-07-22 14:05 UTCEPSS rescore
  2. 2026-07-21 15:22 UTCEPSS rescore
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  19. 2026-07-12 23:37 UTCOSV refresh
  20. 2026-07-12 05:44 UTCEPSS rescore
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  24. 2026-07-09 19:07 UTCEPSS rescore
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  1. 2026-07-07 13:43 UTCEPSS rescore
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  9. 2026-07-02 16:57 UTCEPSS rescore
  10. 2026-07-01 15:03 UTCEPSS rescore
  11. 2026-06-30 23:20 UTCEPSS rescore
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  21. 2026-06-24 14:03 UTCEPSS rescore
  22. 2026-06-24 14:03 UTCEPSS rescore
  23. 2026-06-24 09:20 UTCOSV refresh
  24. 2026-06-23 21:31 UTCEPSS rescore
  25. 2026-06-23 21:31 UTCEPSS rescore
  26. 2026-06-22 14:23 UTCEPSS rescore
  27. 2026-06-21 14:54 UTCEPSS rescore
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  43. 2026-06-11 13:58 UTCEPSS rescore
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  45. 2026-06-10 22:16 UTCEPSS rescore
  46. 2026-06-10 13:20 UTCEPSS rescore
  47. 2026-06-08 14:15 UTCEPSS rescore
  48. 2026-06-07 15:23 UTCEPSS rescore
  49. 2026-06-07 15:23 UTCEPSS rescore
  50. 2026-06-07 12:45 UTCOSV refresh
  51. 2026-06-06 13:46 UTCEPSS rescore
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  74. 2026-05-26 07:17 UTCEPSS rescore
  75. 2026-05-26 07:17 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-8698?
CVE-2020-8698 is a medium vulnerability published on November 12, 2020. Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
When was CVE-2020-8698 disclosed?
CVE-2020-8698 was first published in the National Vulnerability Database on November 12, 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-2020-8698 actively exploited?
CVE-2020-8698 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-8698?
CVE-2020-8698 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2020-8698?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-8698, 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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