CVE-2019-9500

HIGHNVD 7.98.3▲
EchelonGraph scoreMEDIUM confidence

Score 8.3 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 7.9; sources differ by 0.4.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 7.9Exploit: NoneExposed: 0

A fix is available — apply it.

The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d297990deff is vulnerable to a heap buffer overflow. If the Wake-up on Wireless LAN functionality is configured, a malicious event frame can be constructed to trigger an heap buffer overflow in the brcmf_wowl_nd_results function. This vulnerability can be exploited with compromised chipsets to compromise the host, or when used in combination with CVE-2019-9503, can be used remotely. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions.

CVSS v3
7.9
EG Score
8.3(medium)
EG Risk
43(Track)
EG Risk 43/100SSVC: 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
Severity83% × 45%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
89.0%
KEV
Not listed

Published

January 16, 2020

Last Modified

November 21, 2024

References (6)

Patch Availability(12)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-virtual-hwe-18.04 (4.18.0.20.70) @ bionic2026-05-27ubuntu
ubuntulinux-image-virtual-hwe-16.04 (4.15.0.50.71) @ xenial2026-05-27ubuntu
ubuntulinux-image-5.0.0-1006-azure (5.0.0-1006.6) @ disco2026-05-27ubuntu
ubuntulinux-image-4.18.0-1012-kvm (4.18.0-1012.12) @ cosmic2026-05-27ubuntu
ubuntulinux-image-virtual-hwe-16.04-edge (4.15.0.50.52) @ bionic2026-05-27ubuntu
redhatkpatch-patch2019-12-10redhat
redhatkernel-0:3.10.0-957.41.1.el72019-12-10redhat
redhatkernel-alt-0:4.14.0-115.14.1.el7a2019-10-29redhat
redhatkernel-0:4.18.0-80.11.1.el8_02019-09-12redhat
redhatkernel-rt-0:4.18.0-80.11.1.rt9.156.el8_02019-09-12redhat
redhatkernel-0:3.10.0-1062.1.1.el72019-09-04redhat
redhatkernel-rt-0:3.10.0-1062.1.1.rt56.1024.el72019-09-04redhat

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(2)

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

All Vendor Advisories

(13)

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 14× in last 7d / 45× 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. 2026-07-23 01:47 UTCEG score recompute
  2. 2026-07-22 22:30 UTCEG score recompute
  3. 2026-07-22 14:05 UTCEPSS rescore
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  7. 2026-07-19 21:18 UTCOSV refresh
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  5. 2026-07-05 02:27 UTCEPSS rescore
  6. 2026-07-04 06:28 UTCEPSS rescore
  7. 2026-07-02 12:02 UTCOSV refresh
  8. 2026-07-01 15:03 UTCEPSS rescore
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  10. 2026-06-30 23:20 UTCEPSS rescore
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  23. 2026-06-21 01:57 UTCEPSS rescore
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  31. 2026-06-15 17:46 UTCEPSS rescore
  32. 2026-06-14 23:15 UTCEPSS rescore
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  34. 2026-06-14 10:43 UTCOSV refresh
  35. 2026-06-13 22:58 UTCEPSS rescore
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  64. 2026-05-27 13:39 UTCEPSS rescore
  65. 2026-05-27 13:38 UTCEPSS rescore
  66. 2026-05-27 08:58 UTCEG score recompute
  67. 2026-05-27 08:58 UTCVendor advisory
  68. 2026-05-27 08:58 UTCGHSA enrichment
  69. 2026-05-26 13:42 UTCEPSS rescore
  70. 2026-05-26 07:17 UTCEPSS rescore
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  72. 2026-05-26 07:17 UTCEPSS rescore
  73. 2026-05-24 16:47 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2019-9500?
CVE-2019-9500 is a high vulnerability published on January 16, 2020. The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d297990deff is vulnerable to a heap buffer overflow. If the Wake-up on Wireless LAN functionality is configured, a malicious event frame can be constructed to trigger an heap buffer overflow in the brcmfwowlnd_results…
When was CVE-2019-9500 disclosed?
CVE-2019-9500 was first published in the National Vulnerability Database on January 16, 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-2019-9500 actively exploited?
CVE-2019-9500 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-9500?
CVE-2019-9500 has a CVSS v3 base score of 7.9 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.3.
How do I remediate CVE-2019-9500?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9500, 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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